From 68cdc2cf8b0531dc609bae693d99432bb7028724 Mon Sep 17 00:00:00 2001
From: William Valentin <william.valentin.info@gmail.com>
Date: Fri, 27 Feb 2026 08:47:31 -0800
Subject: [PATCH] feat(audit): add backend-scoped phase0 live baseline capture

---
 README.md                                     |  18 +-
 docs/api/PROTOCOL.md                          |   2 +-
 docs/architecture/AGENT_DIAGRAM.md            |   1 +
 .../GATEWAY_SESSIONS_AND_QUEUE.md             |   1 +
 ...phase0-instrumentation-ticket-checklist.md |   2 +-
 .../phase0_baseline_live_2026-02-27.json      | 124 +++----
 .../phase0_baseline_live_2026-02-27.jsonl     |  16 +
 .../phase0_baseline_live_2026-02-27.md        |  26 +-
 ...seline_live_backend_native_2026-02-27.json | 229 ++++++++++++
 ...eline_live_backend_native_2026-02-27.jsonl |  13 +
 ...baseline_live_backend_native_2026-02-27.md |  55 +++
 ...e_live_backend_pi_embedded_2026-02-27.json | 333 ++++++++++++++++++
 ..._live_backend_pi_embedded_2026-02-27.jsonl |  56 +++
 ...ine_live_backend_pi_embedded_2026-02-27.md |  62 ++++
 ...ase0_baseline_live_gateway_2026-02-27.json |   2 +-
 docs/plans/state.json                         |  41 ++-
 package.json                                  |   2 +
 scripts/capture-phase0-live-baseline.ts       |  54 ++-
 src/audit/phase0LiveBaseline.test.ts          |  31 +-
 src/audit/phase0LiveBaseline.ts               |  78 +++-
 20 files changed, 1055 insertions(+), 91 deletions(-)
 create mode 100644 docs/plans/artifacts/phase0_baseline_live_backend_native_2026-02-27.json
 create mode 100644 docs/plans/artifacts/phase0_baseline_live_backend_native_2026-02-27.jsonl
 create mode 100644 docs/plans/artifacts/phase0_baseline_live_backend_native_2026-02-27.md
 create mode 100644 docs/plans/artifacts/phase0_baseline_live_backend_pi_embedded_2026-02-27.json
 create mode 100644 docs/plans/artifacts/phase0_baseline_live_backend_pi_embedded_2026-02-27.jsonl
 create mode 100644 docs/plans/artifacts/phase0_baseline_live_backend_pi_embedded_2026-02-27.md

diff --git a/README.md b/README.md
index 53accbe..28064bd 100644
--- a/README.md
+++ b/README.md
@@ -1629,6 +1629,12 @@ Live baseline artifacts (sample JSONL + JSON/Markdown summaries) can be captured
 pnpm audit:phase0-baseline:live
 ```
 
+Backend-scoped channel windows:
+```bash
+pnpm audit:phase0-baseline:live:pi
+pnpm audit:phase0-baseline:live:native
+```
+
 One-shot refresh for both channel + gateway live windows:
 ```bash
 pnpm audit:phase0-baseline:live:refresh
@@ -1645,17 +1651,19 @@ Gateway-origin windows can be captured separately (for example when validating c
 pnpm audit:phase0-baseline:live:gateway
 ```
 
-The gateway command auto-selects the most recent session window containing both `run.cancel` and `run.state=cancelled` (with configurable padding). You can still capture explicit windows by restricting source + time bounds:
+The gateway command auto-selects the most recent session window containing both `run.cancel` and `run.state=cancelled` (with configurable padding). You can also capture explicit backend-scoped channel windows by restricting source/backend/time bounds:
 ```bash
 node --import tsx/esm scripts/capture-phase0-live-baseline.ts \
   --audit ~/.local/share/flynn/audit.log \
-  --source gateway \
+  --source channel \
+  --backend pi_embedded \
   --since <epoch_ms_or_iso> \
   --until <epoch_ms_or_iso> \
-  --sample-out docs/plans/artifacts/phase0_baseline_live_gateway_<tag>.jsonl \
-  --summary-json-out docs/plans/artifacts/phase0_baseline_live_gateway_<tag>.json \
-  --summary-md-out docs/plans/artifacts/phase0_baseline_live_gateway_<tag>.md
+  --sample-out docs/plans/artifacts/phase0_baseline_live_backend_pi_embedded_<tag>.jsonl \
+  --summary-json-out docs/plans/artifacts/phase0_baseline_live_backend_pi_embedded_<tag>.json \
+  --summary-md-out docs/plans/artifacts/phase0_baseline_live_backend_pi_embedded_<tag>.md
 ```
+Use `--backend native` for native-only windows, or omit `--backend` for all backends.
 
 ## Gateway Lock
 
diff --git a/docs/api/PROTOCOL.md b/docs/api/PROTOCOL.md
index 71a70b4..9de9caf 100644
--- a/docs/api/PROTOCOL.md
+++ b/docs/api/PROTOCOL.md
@@ -23,7 +23,7 @@ The gateway provides:
 - **HTTP Server**: Serves static dashboard and handles webhook endpoints
 - **Node Capability Negotiation**: Optional companion-node role/capability registration
 
-Operational note: onboarding (`flynn setup` / `flynn onboard`) now runs post-save live readiness checks (model/channel/memory/automation) and prints a guided first-success task flow. Companion CLI now also supports bootstrap-manifest export (`flynn companion --export-bootstrap <path|->`), release-bundle export (`--export-release-bundle <dir>` with optional `--signing-key`/`--signing-key-id` signature output), release-bundle verification (`--verify-release-bundle <dir>` with optional `--verify-signing-key`/`--verify-signing-key-id`/`--require-signature`), platform shell-template export (`--export-shell-template <dir>`), plus richer shell bootstrap flags for status/location/push (`--app-version`, `--latitude/--longitude`, `--push-token`, etc.) for desktop/mobile app packaging without changing JSON-RPC method/event shapes. Audit observability now includes live phase-0 baseline capture flows: `pnpm audit:phase0-baseline:live` for channel-origin windows, `pnpm audit:phase0-baseline:live:gateway` (auto-detected cancel window) for gateway-origin windows, and `pnpm audit:phase0-baseline:live:refresh` for one-shot refresh of both windows. These scripts default to current UTC-date tags unless `--tag` is explicitly provided.
+Operational note: onboarding (`flynn setup` / `flynn onboard`) now runs post-save live readiness checks (model/channel/memory/automation) and prints a guided first-success task flow. Companion CLI now also supports bootstrap-manifest export (`flynn companion --export-bootstrap <path|->`), release-bundle export (`--export-release-bundle <dir>` with optional `--signing-key`/`--signing-key-id` signature output), release-bundle verification (`--verify-release-bundle <dir>` with optional `--verify-signing-key`/`--verify-signing-key-id`/`--require-signature`), platform shell-template export (`--export-shell-template <dir>`), plus richer shell bootstrap flags for status/location/push (`--app-version`, `--latitude/--longitude`, `--push-token`, etc.) for desktop/mobile app packaging without changing JSON-RPC method/event shapes. Audit observability now includes live phase-0 baseline capture flows: `pnpm audit:phase0-baseline:live` for channel-origin windows, backend-scoped variants (`pnpm audit:phase0-baseline:live:pi` / `pnpm audit:phase0-baseline:live:native`) via `--backend`, `pnpm audit:phase0-baseline:live:gateway` (auto-detected cancel window) for gateway-origin windows, and `pnpm audit:phase0-baseline:live:refresh` for one-shot refresh of both windows. These scripts default to current UTC-date tags unless `--tag` is explicitly provided.
 
 ### Execution Model (Sessions + Per-Session Queue)
 
diff --git a/docs/architecture/AGENT_DIAGRAM.md b/docs/architecture/AGENT_DIAGRAM.md
index 401ac2f..c73f8c0 100644
--- a/docs/architecture/AGENT_DIAGRAM.md
+++ b/docs/architecture/AGENT_DIAGRAM.md
@@ -167,6 +167,7 @@ Gateway streaming UX signals:
 - `.github/workflows/companion-reference-apps-check.yml` enforces reference-app generator sync in CI.
 - `flynn companion` can bootstrap status/location/push metadata on connect (`node.status.set` + optional `node.location.set`/`node.push_token.set`) so thin companion shells can register operational context in one launch.
 - `pnpm audit:phase0-baseline:live` captures anonymized channel-origin live run/reaction baseline artifacts from real audit logs.
+- `pnpm audit:phase0-baseline:live:pi` and `pnpm audit:phase0-baseline:live:native` capture backend-scoped channel windows using `backend.route` timelines.
 - `pnpm audit:phase0-baseline:live:gateway` captures gateway-origin baseline windows by auto-selecting the latest cancel/cancelled session window (or use `scripts/capture-phase0-live-baseline.ts --source gateway --since ... --until ...` for explicit windows).
 - `pnpm audit:phase0-baseline:live:refresh` runs both channel + gateway capture commands in one step for cadence refreshes.
 - `audit:phase0-baseline:live*` scripts are cadence-safe by default (UTC-date tags auto-generated unless explicitly overridden).
diff --git a/docs/architecture/GATEWAY_SESSIONS_AND_QUEUE.md b/docs/architecture/GATEWAY_SESSIONS_AND_QUEUE.md
index df3d952..d813d85 100644
--- a/docs/architecture/GATEWAY_SESSIONS_AND_QUEUE.md
+++ b/docs/architecture/GATEWAY_SESSIONS_AND_QUEUE.md
@@ -32,6 +32,7 @@ If you only want the protocol surface, see `docs/api/PROTOCOL.md`.
 - CI workflow `.github/workflows/companion-release-bundle.yml` mirrors this pipeline for manual artifact generation/upload.
 - CI workflow `.github/workflows/companion-reference-apps-check.yml` enforces reference-app generator sync on pull requests.
 - Audit phase-0 live telemetry snapshots can be regenerated with `pnpm audit:phase0-baseline:live` (channel-origin anonymized sample JSONL + summary JSON/markdown artifacts).
+- Backend-scoped channel snapshots can be regenerated with `pnpm audit:phase0-baseline:live:pi` / `pnpm audit:phase0-baseline:live:native` (`--backend` filtering via `backend.route` timelines).
 - Gateway-origin phase-0 windows (including cancel-path samples) can be captured with `pnpm audit:phase0-baseline:live:gateway` (auto-detect latest cancel window) or `scripts/capture-phase0-live-baseline.ts --source gateway --since ... --until ...` for explicit bounds.
 - `pnpm audit:phase0-baseline:live:refresh` runs both capture paths to refresh channel + gateway artifacts in one command.
 - `audit:phase0-baseline:live*` package scripts now omit fixed tags so scheduled runs automatically roll to current UTC-date artifact tags.
diff --git a/docs/plans/2026-02-25-phase0-instrumentation-ticket-checklist.md b/docs/plans/2026-02-25-phase0-instrumentation-ticket-checklist.md
index 349b4ba..570e3af 100644
--- a/docs/plans/2026-02-25-phase0-instrumentation-ticket-checklist.md
+++ b/docs/plans/2026-02-25-phase0-instrumentation-ticket-checklist.md
@@ -203,7 +203,7 @@ Phase 0 is complete when:
 2. A baseline summary artifact is generated and committed under `docs/plans/artifacts/`.
 3. No user-visible response behavior changed compared to pre-phase baseline.
 
-Follow-up status (2026-02-27): live channel-session artifacts exist under `docs/plans/artifacts/phase0_baseline_live_2026-02-27.*` via `pnpm audit:phase0-baseline:live` (anonymized IDs), and a second gateway-origin live window (including `run.cancel` + `cancel_requested`/`cancelled`) exists under `docs/plans/artifacts/phase0_baseline_live_gateway_2026-02-27.*`. Gateway window refreshes can now run via `pnpm audit:phase0-baseline:live:gateway` (auto-selected cancel window), and both windows can be refreshed together with `pnpm audit:phase0-baseline:live:refresh` (scheduling example included in README).
+Follow-up status (2026-02-27): live channel-session artifacts exist under `docs/plans/artifacts/phase0_baseline_live_2026-02-27.*` via `pnpm audit:phase0-baseline:live` (anonymized IDs), and a second gateway-origin live window (including `run.cancel` + `cancel_requested`/`cancelled`) exists under `docs/plans/artifacts/phase0_baseline_live_gateway_2026-02-27.*`. Gateway window refreshes can now run via `pnpm audit:phase0-baseline:live:gateway` (auto-selected cancel window), both windows can be refreshed together with `pnpm audit:phase0-baseline:live:refresh` (scheduling example included in README), and backend-scoped channel windows are now available via `pnpm audit:phase0-baseline:live:pi` / `pnpm audit:phase0-baseline:live:native`.
 
 ## Subagent Model Assignment Plan
 
diff --git a/docs/plans/artifacts/phase0_baseline_live_2026-02-27.json b/docs/plans/artifacts/phase0_baseline_live_2026-02-27.json
index 92033a5..83c2722 100644
--- a/docs/plans/artifacts/phase0_baseline_live_2026-02-27.json
+++ b/docs/plans/artifacts/phase0_baseline_live_2026-02-27.json
@@ -1,8 +1,8 @@
 {
-  "generated_at": "2026-02-27T08:43:10.518Z",
+  "generated_at": "2026-02-27T16:46:42.576Z",
   "source_audit_path": "~/.local/share/flynn/audit.log",
-  "source_event_count": 94,
-  "sampled_event_count": 88,
+  "source_event_count": 110,
+  "sampled_event_count": 104,
   "filters": {
     "sources": [
       "channel"
@@ -22,19 +22,19 @@
   },
   "summary": {
     "event_counts": {
-      "run_state": 55,
+      "run_state": 65,
       "run_cancel": 0,
       "reaction_match": 0,
-      "reaction_skip": 33
+      "reaction_skip": 39
     },
     "run_outcomes": {
       "overall": {
-        "total_outcomes": 23,
-        "complete": 23,
+        "total_outcomes": 27,
+        "complete": 27,
         "cancelled": 0,
         "error": 0,
         "cancel_requested": 0,
-        "start": 32,
+        "start": 38,
         "completion_rate_pct": 100,
         "cancel_rate_pct": 0,
         "error_rate_pct": 0
@@ -43,12 +43,12 @@
         {
           "key": "gmail",
           "stats": {
-            "total_outcomes": 22,
-            "complete": 22,
+            "total_outcomes": 25,
+            "complete": 25,
             "cancelled": 0,
             "error": 0,
             "cancel_requested": 0,
-            "start": 22,
+            "start": 25,
             "completion_rate_pct": 100,
             "cancel_rate_pct": 0,
             "error_rate_pct": 0
@@ -57,12 +57,12 @@
         {
           "key": "cron",
           "stats": {
-            "total_outcomes": 1,
-            "complete": 1,
+            "total_outcomes": 2,
+            "complete": 2,
             "cancelled": 0,
             "error": 0,
             "cancel_requested": 0,
-            "start": 10,
+            "start": 13,
             "completion_rate_pct": 100,
             "cancel_rate_pct": 0,
             "error_rate_pct": 0
@@ -73,12 +73,12 @@
         {
           "key": "session_2f2f1e414e81",
           "stats": {
-            "total_outcomes": 4,
-            "complete": 4,
+            "total_outcomes": 5,
+            "complete": 5,
             "cancelled": 0,
             "error": 0,
             "cancel_requested": 0,
-            "start": 4,
+            "start": 5,
             "completion_rate_pct": 100,
             "cancel_rate_pct": 0,
             "error_rate_pct": 0
@@ -126,6 +126,20 @@
             "error_rate_pct": 0
           }
         },
+        {
+          "key": "session_3ffb2e631ab1",
+          "stats": {
+            "total_outcomes": 1,
+            "complete": 1,
+            "cancelled": 0,
+            "error": 0,
+            "cancel_requested": 0,
+            "start": 1,
+            "completion_rate_pct": 100,
+            "cancel_rate_pct": 0,
+            "error_rate_pct": 0
+          }
+        },
         {
           "key": "session_4d9e843358a3",
           "stats": {
@@ -154,6 +168,20 @@
             "error_rate_pct": 0
           }
         },
+        {
+          "key": "session_5ae4ad331184",
+          "stats": {
+            "total_outcomes": 1,
+            "complete": 1,
+            "cancelled": 0,
+            "error": 0,
+            "cancel_requested": 0,
+            "start": 1,
+            "completion_rate_pct": 100,
+            "cancel_rate_pct": 0,
+            "error_rate_pct": 0
+          }
+        },
         {
           "key": "session_7d3c3ff67d4f",
           "stats": {
@@ -168,6 +196,20 @@
             "error_rate_pct": 0
           }
         },
+        {
+          "key": "session_7db5014f64fe",
+          "stats": {
+            "total_outcomes": 1,
+            "complete": 1,
+            "cancelled": 0,
+            "error": 0,
+            "cancel_requested": 0,
+            "start": 1,
+            "completion_rate_pct": 100,
+            "cancel_rate_pct": 0,
+            "error_rate_pct": 0
+          }
+        },
         {
           "key": "session_8849a4464275",
           "stats": {
@@ -307,62 +349,20 @@
             "cancel_rate_pct": 0,
             "error_rate_pct": 0
           }
-        },
-        {
-          "key": "session_2b07a8d38406",
-          "stats": {
-            "total_outcomes": 0,
-            "complete": 0,
-            "cancelled": 0,
-            "error": 0,
-            "cancel_requested": 0,
-            "start": 1,
-            "completion_rate_pct": null,
-            "cancel_rate_pct": null,
-            "error_rate_pct": null
-          }
-        },
-        {
-          "key": "session_2d8872945bf8",
-          "stats": {
-            "total_outcomes": 0,
-            "complete": 0,
-            "cancelled": 0,
-            "error": 0,
-            "cancel_requested": 0,
-            "start": 1,
-            "completion_rate_pct": null,
-            "cancel_rate_pct": null,
-            "error_rate_pct": null
-          }
-        },
-        {
-          "key": "session_31b6400467ce",
-          "stats": {
-            "total_outcomes": 0,
-            "complete": 0,
-            "cancelled": 0,
-            "error": 0,
-            "cancel_requested": 0,
-            "start": 1,
-            "completion_rate_pct": null,
-            "cancel_rate_pct": null,
-            "error_rate_pct": null
-          }
         }
       ]
     },
     "cancel_latency_ms": null,
     "reactions": {
       "matched": 0,
-      "skipped": 33,
-      "total": 33,
+      "skipped": 39,
+      "total": 39,
       "match_rate_pct": 0,
       "skip_rate_pct": 100,
       "skip_reasons": [
         {
           "reason": "no_rules",
-          "count": 33,
+          "count": 39,
           "pct": 100
         }
       ]
diff --git a/docs/plans/artifacts/phase0_baseline_live_2026-02-27.jsonl b/docs/plans/artifacts/phase0_baseline_live_2026-02-27.jsonl
index 275f9e0..39cacf1 100644
--- a/docs/plans/artifacts/phase0_baseline_live_2026-02-27.jsonl
+++ b/docs/plans/artifacts/phase0_baseline_live_2026-02-27.jsonl
@@ -86,3 +86,19 @@
 {"level":"info","event_type":"run.state","event":{"session_id":"session_683372f346c3","channel":"cron","sender":"sender_485b96f48f25","source":"channel","state":"start","request_id":"request_caa9ec775af8"},"timestamp":1772168400038}
 {"level":"debug","event_type":"reaction.skip","event":{"session_id":"session_31b6400467ce","channel":"cron","sender":"sender_8255de70c756","source":"channel","reason":"no_rules","candidate_count":0},"timestamp":1772175600039}
 {"level":"info","event_type":"run.state","event":{"session_id":"session_31b6400467ce","channel":"cron","sender":"sender_8255de70c756","source":"channel","state":"start","request_id":"request_40d7589e715b"},"timestamp":1772175600040}
+{"level":"debug","event_type":"reaction.skip","event":{"session_id":"session_a3f64a8e3c1e","channel":"cron","sender":"sender_a31bd6d4a95a","source":"channel","reason":"no_rules","candidate_count":0},"timestamp":1772182800033}
+{"level":"info","event_type":"run.state","event":{"session_id":"session_a3f64a8e3c1e","channel":"cron","sender":"sender_a31bd6d4a95a","source":"channel","state":"start","request_id":"request_fc572d83d4c6"},"timestamp":1772182800034}
+{"level":"debug","event_type":"reaction.skip","event":{"session_id":"session_7db5014f64fe","channel":"gmail","sender":"sender_81e925eaae0e","source":"channel","reason":"no_rules","candidate_count":0},"timestamp":1772197156530}
+{"level":"info","event_type":"run.state","event":{"session_id":"session_7db5014f64fe","channel":"gmail","sender":"sender_81e925eaae0e","source":"channel","state":"start","request_id":"request_7f5d82d1085a"},"timestamp":1772197156530}
+{"level":"info","event_type":"run.state","event":{"session_id":"session_7db5014f64fe","channel":"gmail","sender":"sender_81e925eaae0e","source":"channel","state":"complete","request_id":"request_7f5d82d1085a","duration_ms":5231},"timestamp":1772197161761}
+{"level":"debug","event_type":"reaction.skip","event":{"session_id":"session_d576f98a5348","channel":"cron","sender":"sender_86045f8e1835","source":"channel","reason":"no_rules","candidate_count":0},"timestamp":1772197200013}
+{"level":"info","event_type":"run.state","event":{"session_id":"session_d576f98a5348","channel":"cron","sender":"sender_86045f8e1835","source":"channel","state":"start","request_id":"request_ce8df697a3cf"},"timestamp":1772197200014}
+{"level":"debug","event_type":"reaction.skip","event":{"session_id":"session_3ffb2e631ab1","channel":"gmail","sender":"sender_745442e44534","source":"channel","reason":"no_rules","candidate_count":0},"timestamp":1772199256802}
+{"level":"info","event_type":"run.state","event":{"session_id":"session_3ffb2e631ab1","channel":"gmail","sender":"sender_745442e44534","source":"channel","state":"start","request_id":"request_3d4d23510682"},"timestamp":1772199256803}
+{"level":"info","event_type":"run.state","event":{"session_id":"session_3ffb2e631ab1","channel":"gmail","sender":"sender_745442e44534","source":"channel","state":"complete","request_id":"request_3d4d23510682","duration_ms":3836},"timestamp":1772199260639}
+{"level":"debug","event_type":"reaction.skip","event":{"session_id":"session_2f2f1e414e81","channel":"gmail","sender":"sender_323cedc3233a","source":"channel","reason":"no_rules","candidate_count":0},"timestamp":1772206157229}
+{"level":"info","event_type":"run.state","event":{"session_id":"session_2f2f1e414e81","channel":"gmail","sender":"sender_323cedc3233a","source":"channel","state":"start","request_id":"request_ab73d670c119"},"timestamp":1772206157229}
+{"level":"info","event_type":"run.state","event":{"session_id":"session_2f2f1e414e81","channel":"gmail","sender":"sender_323cedc3233a","source":"channel","state":"complete","request_id":"request_ab73d670c119","duration_ms":3850},"timestamp":1772206161079}
+{"level":"debug","event_type":"reaction.skip","event":{"session_id":"session_5ae4ad331184","channel":"cron","sender":"sender_a912a223d950","source":"channel","reason":"no_rules","candidate_count":0},"timestamp":1772208000012}
+{"level":"info","event_type":"run.state","event":{"session_id":"session_5ae4ad331184","channel":"cron","sender":"sender_a912a223d950","source":"channel","state":"start","request_id":"request_a3bafbb93755"},"timestamp":1772208000013}
+{"level":"info","event_type":"run.state","event":{"session_id":"session_5ae4ad331184","channel":"cron","sender":"sender_a912a223d950","source":"channel","state":"complete","request_id":"request_a3bafbb93755","duration_ms":35239},"timestamp":1772208035252}
diff --git a/docs/plans/artifacts/phase0_baseline_live_2026-02-27.md b/docs/plans/artifacts/phase0_baseline_live_2026-02-27.md
index ca5228b..c160436 100644
--- a/docs/plans/artifacts/phase0_baseline_live_2026-02-27.md
+++ b/docs/plans/artifacts/phase0_baseline_live_2026-02-27.md
@@ -1,39 +1,42 @@
 # Phase 0 Baseline Telemetry Summary
 
-- Run state events: 55
+- Run state events: 65
 - Run cancel events: 0
 - Reaction matches: 0
-- Reaction skips: 33
+- Reaction skips: 39
 
 - Sources: channel
 
 ## Run Outcomes (Overall)
 
-- Total outcomes: 23
-- Complete: 23 (100.00%)
+- Total outcomes: 27
+- Complete: 27 (100.00%)
 - Cancelled: 0 (0.00%)
 - Errors: 0 (0.00%)
 - Cancel requested: 0
-- Starts: 32
+- Starts: 38
 
 ## Run Outcomes by Channel
 
 | Channel | Outcomes | Complete | Cancelled | Error | Complete % | Cancel % | Error % | Cancel Req | Starts |
 | --- | ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: |
-| gmail | 22 | 22 | 0 | 0 | 100.00% | 0.00% | 0.00% | 0 | 22 |
-| cron | 1 | 1 | 0 | 0 | 100.00% | 0.00% | 0.00% | 0 | 10 |
+| gmail | 25 | 25 | 0 | 0 | 100.00% | 0.00% | 0.00% | 0 | 25 |
+| cron | 2 | 2 | 0 | 0 | 100.00% | 0.00% | 0.00% | 0 | 13 |
 
 ## Run Outcomes by Session
 
 | Session | Outcomes | Complete | Cancelled | Error | Complete % | Cancel % | Error % | Cancel Req | Starts |
 | --- | ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: |
-| session_2f2f1e414e81 | 4 | 4 | 0 | 0 | 100.00% | 0.00% | 0.00% | 0 | 4 |
+| session_2f2f1e414e81 | 5 | 5 | 0 | 0 | 100.00% | 0.00% | 0.00% | 0 | 5 |
 | session_f4d8ddc04194 | 3 | 3 | 0 | 0 | 100.00% | 0.00% | 0.00% | 0 | 3 |
 | session_eabc3c2a91b9 | 2 | 2 | 0 | 0 | 100.00% | 0.00% | 0.00% | 0 | 2 |
 | session_33469de5a1ee | 1 | 1 | 0 | 0 | 100.00% | 0.00% | 0.00% | 0 | 1 |
+| session_3ffb2e631ab1 | 1 | 1 | 0 | 0 | 100.00% | 0.00% | 0.00% | 0 | 1 |
 | session_4d9e843358a3 | 1 | 1 | 0 | 0 | 100.00% | 0.00% | 0.00% | 0 | 1 |
 | session_58a64b6f2c91 | 1 | 1 | 0 | 0 | 100.00% | 0.00% | 0.00% | 0 | 1 |
+| session_5ae4ad331184 | 1 | 1 | 0 | 0 | 100.00% | 0.00% | 0.00% | 0 | 1 |
 | session_7d3c3ff67d4f | 1 | 1 | 0 | 0 | 100.00% | 0.00% | 0.00% | 0 | 1 |
+| session_7db5014f64fe | 1 | 1 | 0 | 0 | 100.00% | 0.00% | 0.00% | 0 | 1 |
 | session_8849a4464275 | 1 | 1 | 0 | 0 | 100.00% | 0.00% | 0.00% | 0 | 1 |
 | session_8b51db8cde21 | 1 | 1 | 0 | 0 | 100.00% | 0.00% | 0.00% | 0 | 1 |
 | session_9067cf5e3558 | 1 | 1 | 0 | 0 | 100.00% | 0.00% | 0.00% | 0 | 1 |
@@ -44,9 +47,6 @@
 | session_ea839415979e | 1 | 1 | 0 | 0 | 100.00% | 0.00% | 0.00% | 0 | 1 |
 | session_f6304f25e43b | 1 | 1 | 0 | 0 | 100.00% | 0.00% | 0.00% | 0 | 1 |
 | session_fd6536fa5ff4 | 1 | 1 | 0 | 0 | 100.00% | 0.00% | 0.00% | 0 | 1 |
-| session_2b07a8d38406 | 0 | 0 | 0 | 0 | n/a | n/a | n/a | 0 | 1 |
-| session_2d8872945bf8 | 0 | 0 | 0 | 0 | n/a | n/a | n/a | 0 | 1 |
-| session_31b6400467ce | 0 | 0 | 0 | 0 | n/a | n/a | n/a | 0 | 1 |
 
 ## Cancel Latency
 
@@ -55,11 +55,11 @@
 ## Reaction Decisions
 
 - Matched: 0 (0.00%)
-- Skipped: 33 (100.00%)
+- Skipped: 39 (100.00%)
 
 ### Skip Reasons
 
 | Reason | Count | Percent |
 | --- | ---: | ---: |
-| no_rules | 33 | 100.00% |
+| no_rules | 39 | 100.00% |
 
diff --git a/docs/plans/artifacts/phase0_baseline_live_backend_native_2026-02-27.json b/docs/plans/artifacts/phase0_baseline_live_backend_native_2026-02-27.json
new file mode 100644
index 0000000..27dd98d
--- /dev/null
+++ b/docs/plans/artifacts/phase0_baseline_live_backend_native_2026-02-27.json
@@ -0,0 +1,229 @@
+{
+  "generated_at": "2026-02-27T16:45:18.490Z",
+  "source_audit_path": "~/.local/share/flynn/audit.log",
+  "source_event_count": 110,
+  "sampled_event_count": 13,
+  "filters": {
+    "sources": [
+      "channel"
+    ],
+    "backend_targets": [
+      "native"
+    ],
+    "exclude_session_substrings": [
+      "probe"
+    ],
+    "anonymized_identifiers": true,
+    "backend_route_event_count": 127
+  },
+  "options": {
+    "sources": [
+      "channel"
+    ],
+    "maxSessions": 20,
+    "maxChannels": 20,
+    "maxSkipReasons": 10
+  },
+  "summary": {
+    "event_counts": {
+      "run_state": 13,
+      "run_cancel": 0,
+      "reaction_match": 0,
+      "reaction_skip": 0
+    },
+    "run_outcomes": {
+      "overall": {
+        "total_outcomes": 2,
+        "complete": 2,
+        "cancelled": 0,
+        "error": 0,
+        "cancel_requested": 0,
+        "start": 11,
+        "completion_rate_pct": 100,
+        "cancel_rate_pct": 0,
+        "error_rate_pct": 0
+      },
+      "by_channel": [
+        {
+          "key": "cron",
+          "stats": {
+            "total_outcomes": 2,
+            "complete": 2,
+            "cancelled": 0,
+            "error": 0,
+            "cancel_requested": 0,
+            "start": 11,
+            "completion_rate_pct": 100,
+            "cancel_rate_pct": 0,
+            "error_rate_pct": 0
+          }
+        }
+      ],
+      "by_session": [
+        {
+          "key": "session_5ae4ad331184",
+          "stats": {
+            "total_outcomes": 1,
+            "complete": 1,
+            "cancelled": 0,
+            "error": 0,
+            "cancel_requested": 0,
+            "start": 1,
+            "completion_rate_pct": 100,
+            "cancel_rate_pct": 0,
+            "error_rate_pct": 0
+          }
+        },
+        {
+          "key": "session_a83fde4c8fdb",
+          "stats": {
+            "total_outcomes": 1,
+            "complete": 1,
+            "cancelled": 0,
+            "error": 0,
+            "cancel_requested": 0,
+            "start": 1,
+            "completion_rate_pct": 100,
+            "cancel_rate_pct": 0,
+            "error_rate_pct": 0
+          }
+        },
+        {
+          "key": "session_2d8872945bf8",
+          "stats": {
+            "total_outcomes": 0,
+            "complete": 0,
+            "cancelled": 0,
+            "error": 0,
+            "cancel_requested": 0,
+            "start": 1,
+            "completion_rate_pct": null,
+            "cancel_rate_pct": null,
+            "error_rate_pct": null
+          }
+        },
+        {
+          "key": "session_31b6400467ce",
+          "stats": {
+            "total_outcomes": 0,
+            "complete": 0,
+            "cancelled": 0,
+            "error": 0,
+            "cancel_requested": 0,
+            "start": 1,
+            "completion_rate_pct": null,
+            "cancel_rate_pct": null,
+            "error_rate_pct": null
+          }
+        },
+        {
+          "key": "session_3c43a0cc0a62",
+          "stats": {
+            "total_outcomes": 0,
+            "complete": 0,
+            "cancelled": 0,
+            "error": 0,
+            "cancel_requested": 0,
+            "start": 1,
+            "completion_rate_pct": null,
+            "cancel_rate_pct": null,
+            "error_rate_pct": null
+          }
+        },
+        {
+          "key": "session_494cb3b392af",
+          "stats": {
+            "total_outcomes": 0,
+            "complete": 0,
+            "cancelled": 0,
+            "error": 0,
+            "cancel_requested": 0,
+            "start": 1,
+            "completion_rate_pct": null,
+            "cancel_rate_pct": null,
+            "error_rate_pct": null
+          }
+        },
+        {
+          "key": "session_49b700741e03",
+          "stats": {
+            "total_outcomes": 0,
+            "complete": 0,
+            "cancelled": 0,
+            "error": 0,
+            "cancel_requested": 0,
+            "start": 1,
+            "completion_rate_pct": null,
+            "cancel_rate_pct": null,
+            "error_rate_pct": null
+          }
+        },
+        {
+          "key": "session_4cd8ba5e6df5",
+          "stats": {
+            "total_outcomes": 0,
+            "complete": 0,
+            "cancelled": 0,
+            "error": 0,
+            "cancel_requested": 0,
+            "start": 1,
+            "completion_rate_pct": null,
+            "cancel_rate_pct": null,
+            "error_rate_pct": null
+          }
+        },
+        {
+          "key": "session_683372f346c3",
+          "stats": {
+            "total_outcomes": 0,
+            "complete": 0,
+            "cancelled": 0,
+            "error": 0,
+            "cancel_requested": 0,
+            "start": 1,
+            "completion_rate_pct": null,
+            "cancel_rate_pct": null,
+            "error_rate_pct": null
+          }
+        },
+        {
+          "key": "session_a3f64a8e3c1e",
+          "stats": {
+            "total_outcomes": 0,
+            "complete": 0,
+            "cancelled": 0,
+            "error": 0,
+            "cancel_requested": 0,
+            "start": 1,
+            "completion_rate_pct": null,
+            "cancel_rate_pct": null,
+            "error_rate_pct": null
+          }
+        },
+        {
+          "key": "session_ffcee254d546",
+          "stats": {
+            "total_outcomes": 0,
+            "complete": 0,
+            "cancelled": 0,
+            "error": 0,
+            "cancel_requested": 0,
+            "start": 1,
+            "completion_rate_pct": null,
+            "cancel_rate_pct": null,
+            "error_rate_pct": null
+          }
+        }
+      ]
+    },
+    "cancel_latency_ms": null,
+    "reactions": {
+      "matched": 0,
+      "skipped": 0,
+      "total": 0,
+      "match_rate_pct": null,
+      "skip_rate_pct": null,
+      "skip_reasons": []
+    }
+  }
+}
diff --git a/docs/plans/artifacts/phase0_baseline_live_backend_native_2026-02-27.jsonl b/docs/plans/artifacts/phase0_baseline_live_backend_native_2026-02-27.jsonl
new file mode 100644
index 0000000..6ad563e
--- /dev/null
+++ b/docs/plans/artifacts/phase0_baseline_live_backend_native_2026-02-27.jsonl
@@ -0,0 +1,13 @@
+{"level":"info","event_type":"run.state","event":{"session_id":"session_2d8872945bf8","channel":"cron","sender":"sender_4787722f90c7","source":"channel","state":"start","request_id":"request_eabae852ec40"},"timestamp":1772082000082}
+{"level":"info","event_type":"run.state","event":{"session_id":"session_ffcee254d546","channel":"cron","sender":"sender_75c445c6fdad","source":"channel","state":"start","request_id":"request_f99421283d74"},"timestamp":1772089200086}
+{"level":"info","event_type":"run.state","event":{"session_id":"session_49b700741e03","channel":"cron","sender":"sender_ecc7d1bae06e","source":"channel","state":"start","request_id":"request_33cb5e8b6843"},"timestamp":1772096400008}
+{"level":"info","event_type":"run.state","event":{"session_id":"session_4cd8ba5e6df5","channel":"cron","sender":"sender_247a7c21dbdd","source":"channel","state":"start","request_id":"request_60b338f30d46"},"timestamp":1772110800019}
+{"level":"info","event_type":"run.state","event":{"session_id":"session_a83fde4c8fdb","channel":"cron","sender":"sender_99a8e5949abe","source":"channel","state":"start","request_id":"request_011dde9a88a3"},"timestamp":1772121600017}
+{"level":"info","event_type":"run.state","event":{"session_id":"session_a83fde4c8fdb","channel":"cron","sender":"sender_99a8e5949abe","source":"channel","state":"complete","request_id":"request_011dde9a88a3","duration_ms":41131},"timestamp":1772121641148}
+{"level":"info","event_type":"run.state","event":{"session_id":"session_3c43a0cc0a62","channel":"cron","sender":"sender_a2f138926e17","source":"channel","state":"start","request_id":"request_eabfc26524d0"},"timestamp":1772125200026}
+{"level":"info","event_type":"run.state","event":{"session_id":"session_494cb3b392af","channel":"cron","sender":"sender_dfc2df9eb18e","source":"channel","state":"start","request_id":"request_ea48f4337dc3"},"timestamp":1772139600017}
+{"level":"info","event_type":"run.state","event":{"session_id":"session_683372f346c3","channel":"cron","sender":"sender_485b96f48f25","source":"channel","state":"start","request_id":"request_caa9ec775af8"},"timestamp":1772168400038}
+{"level":"info","event_type":"run.state","event":{"session_id":"session_31b6400467ce","channel":"cron","sender":"sender_8255de70c756","source":"channel","state":"start","request_id":"request_40d7589e715b"},"timestamp":1772175600040}
+{"level":"info","event_type":"run.state","event":{"session_id":"session_a3f64a8e3c1e","channel":"cron","sender":"sender_a31bd6d4a95a","source":"channel","state":"start","request_id":"request_fc572d83d4c6"},"timestamp":1772182800034}
+{"level":"info","event_type":"run.state","event":{"session_id":"session_5ae4ad331184","channel":"cron","sender":"sender_a912a223d950","source":"channel","state":"start","request_id":"request_a3bafbb93755"},"timestamp":1772208000013}
+{"level":"info","event_type":"run.state","event":{"session_id":"session_5ae4ad331184","channel":"cron","sender":"sender_a912a223d950","source":"channel","state":"complete","request_id":"request_a3bafbb93755","duration_ms":35239},"timestamp":1772208035252}
diff --git a/docs/plans/artifacts/phase0_baseline_live_backend_native_2026-02-27.md b/docs/plans/artifacts/phase0_baseline_live_backend_native_2026-02-27.md
new file mode 100644
index 0000000..ab51d57
--- /dev/null
+++ b/docs/plans/artifacts/phase0_baseline_live_backend_native_2026-02-27.md
@@ -0,0 +1,55 @@
+# Phase 0 Baseline Telemetry Summary
+
+- Run state events: 13
+- Run cancel events: 0
+- Reaction matches: 0
+- Reaction skips: 0
+
+- Sources: channel
+
+## Run Outcomes (Overall)
+
+- Total outcomes: 2
+- Complete: 2 (100.00%)
+- Cancelled: 0 (0.00%)
+- Errors: 0 (0.00%)
+- Cancel requested: 0
+- Starts: 11
+
+## Run Outcomes by Channel
+
+| Channel | Outcomes | Complete | Cancelled | Error | Complete % | Cancel % | Error % | Cancel Req | Starts |
+| --- | ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: |
+| cron | 2 | 2 | 0 | 0 | 100.00% | 0.00% | 0.00% | 0 | 11 |
+
+## Run Outcomes by Session
+
+| Session | Outcomes | Complete | Cancelled | Error | Complete % | Cancel % | Error % | Cancel Req | Starts |
+| --- | ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: |
+| session_5ae4ad331184 | 1 | 1 | 0 | 0 | 100.00% | 0.00% | 0.00% | 0 | 1 |
+| session_a83fde4c8fdb | 1 | 1 | 0 | 0 | 100.00% | 0.00% | 0.00% | 0 | 1 |
+| session_2d8872945bf8 | 0 | 0 | 0 | 0 | n/a | n/a | n/a | 0 | 1 |
+| session_31b6400467ce | 0 | 0 | 0 | 0 | n/a | n/a | n/a | 0 | 1 |
+| session_3c43a0cc0a62 | 0 | 0 | 0 | 0 | n/a | n/a | n/a | 0 | 1 |
+| session_494cb3b392af | 0 | 0 | 0 | 0 | n/a | n/a | n/a | 0 | 1 |
+| session_49b700741e03 | 0 | 0 | 0 | 0 | n/a | n/a | n/a | 0 | 1 |
+| session_4cd8ba5e6df5 | 0 | 0 | 0 | 0 | n/a | n/a | n/a | 0 | 1 |
+| session_683372f346c3 | 0 | 0 | 0 | 0 | n/a | n/a | n/a | 0 | 1 |
+| session_a3f64a8e3c1e | 0 | 0 | 0 | 0 | n/a | n/a | n/a | 0 | 1 |
+| session_ffcee254d546 | 0 | 0 | 0 | 0 | n/a | n/a | n/a | 0 | 1 |
+
+## Cancel Latency
+
+- No cancel latency samples.
+
+## Reaction Decisions
+
+- Matched: 0 (n/a)
+- Skipped: 0 (n/a)
+
+### Skip Reasons
+
+| Reason | Count | Percent |
+| --- | ---: | ---: |
+| _none_ | 0 | 0.00% |
+
diff --git a/docs/plans/artifacts/phase0_baseline_live_backend_pi_embedded_2026-02-27.json b/docs/plans/artifacts/phase0_baseline_live_backend_pi_embedded_2026-02-27.json
new file mode 100644
index 0000000..2e01ba4
--- /dev/null
+++ b/docs/plans/artifacts/phase0_baseline_live_backend_pi_embedded_2026-02-27.json
@@ -0,0 +1,333 @@
+{
+  "generated_at": "2026-02-27T16:45:18.488Z",
+  "source_audit_path": "~/.local/share/flynn/audit.log",
+  "source_event_count": 110,
+  "sampled_event_count": 56,
+  "filters": {
+    "sources": [
+      "channel"
+    ],
+    "backend_targets": [
+      "pi_embedded"
+    ],
+    "exclude_session_substrings": [
+      "probe"
+    ],
+    "anonymized_identifiers": true,
+    "backend_route_event_count": 127
+  },
+  "options": {
+    "sources": [
+      "channel"
+    ],
+    "maxSessions": 20,
+    "maxChannels": 20,
+    "maxSkipReasons": 10
+  },
+  "summary": {
+    "event_counts": {
+      "run_state": 42,
+      "run_cancel": 0,
+      "reaction_match": 0,
+      "reaction_skip": 14
+    },
+    "run_outcomes": {
+      "overall": {
+        "total_outcomes": 25,
+        "complete": 25,
+        "cancelled": 0,
+        "error": 0,
+        "cancel_requested": 0,
+        "start": 17,
+        "completion_rate_pct": 100,
+        "cancel_rate_pct": 0,
+        "error_rate_pct": 0
+      },
+      "by_channel": [
+        {
+          "key": "gmail",
+          "stats": {
+            "total_outcomes": 25,
+            "complete": 25,
+            "cancelled": 0,
+            "error": 0,
+            "cancel_requested": 0,
+            "start": 17,
+            "completion_rate_pct": 100,
+            "cancel_rate_pct": 0,
+            "error_rate_pct": 0
+          }
+        }
+      ],
+      "by_session": [
+        {
+          "key": "session_2f2f1e414e81",
+          "stats": {
+            "total_outcomes": 5,
+            "complete": 5,
+            "cancelled": 0,
+            "error": 0,
+            "cancel_requested": 0,
+            "start": 5,
+            "completion_rate_pct": 100,
+            "cancel_rate_pct": 0,
+            "error_rate_pct": 0
+          }
+        },
+        {
+          "key": "session_f4d8ddc04194",
+          "stats": {
+            "total_outcomes": 3,
+            "complete": 3,
+            "cancelled": 0,
+            "error": 0,
+            "cancel_requested": 0,
+            "start": 3,
+            "completion_rate_pct": 100,
+            "cancel_rate_pct": 0,
+            "error_rate_pct": 0
+          }
+        },
+        {
+          "key": "session_eabc3c2a91b9",
+          "stats": {
+            "total_outcomes": 2,
+            "complete": 2,
+            "cancelled": 0,
+            "error": 0,
+            "cancel_requested": 0,
+            "start": 1,
+            "completion_rate_pct": 100,
+            "cancel_rate_pct": 0,
+            "error_rate_pct": 0
+          }
+        },
+        {
+          "key": "session_33469de5a1ee",
+          "stats": {
+            "total_outcomes": 1,
+            "complete": 1,
+            "cancelled": 0,
+            "error": 0,
+            "cancel_requested": 0,
+            "start": 1,
+            "completion_rate_pct": 100,
+            "cancel_rate_pct": 0,
+            "error_rate_pct": 0
+          }
+        },
+        {
+          "key": "session_3ffb2e631ab1",
+          "stats": {
+            "total_outcomes": 1,
+            "complete": 1,
+            "cancelled": 0,
+            "error": 0,
+            "cancel_requested": 0,
+            "start": 0,
+            "completion_rate_pct": 100,
+            "cancel_rate_pct": 0,
+            "error_rate_pct": 0
+          }
+        },
+        {
+          "key": "session_4d9e843358a3",
+          "stats": {
+            "total_outcomes": 1,
+            "complete": 1,
+            "cancelled": 0,
+            "error": 0,
+            "cancel_requested": 0,
+            "start": 0,
+            "completion_rate_pct": 100,
+            "cancel_rate_pct": 0,
+            "error_rate_pct": 0
+          }
+        },
+        {
+          "key": "session_58a64b6f2c91",
+          "stats": {
+            "total_outcomes": 1,
+            "complete": 1,
+            "cancelled": 0,
+            "error": 0,
+            "cancel_requested": 0,
+            "start": 0,
+            "completion_rate_pct": 100,
+            "cancel_rate_pct": 0,
+            "error_rate_pct": 0
+          }
+        },
+        {
+          "key": "session_7d3c3ff67d4f",
+          "stats": {
+            "total_outcomes": 1,
+            "complete": 1,
+            "cancelled": 0,
+            "error": 0,
+            "cancel_requested": 0,
+            "start": 0,
+            "completion_rate_pct": 100,
+            "cancel_rate_pct": 0,
+            "error_rate_pct": 0
+          }
+        },
+        {
+          "key": "session_7db5014f64fe",
+          "stats": {
+            "total_outcomes": 1,
+            "complete": 1,
+            "cancelled": 0,
+            "error": 0,
+            "cancel_requested": 0,
+            "start": 0,
+            "completion_rate_pct": 100,
+            "cancel_rate_pct": 0,
+            "error_rate_pct": 0
+          }
+        },
+        {
+          "key": "session_8849a4464275",
+          "stats": {
+            "total_outcomes": 1,
+            "complete": 1,
+            "cancelled": 0,
+            "error": 0,
+            "cancel_requested": 0,
+            "start": 0,
+            "completion_rate_pct": 100,
+            "cancel_rate_pct": 0,
+            "error_rate_pct": 0
+          }
+        },
+        {
+          "key": "session_8b51db8cde21",
+          "stats": {
+            "total_outcomes": 1,
+            "complete": 1,
+            "cancelled": 0,
+            "error": 0,
+            "cancel_requested": 0,
+            "start": 1,
+            "completion_rate_pct": 100,
+            "cancel_rate_pct": 0,
+            "error_rate_pct": 0
+          }
+        },
+        {
+          "key": "session_9067cf5e3558",
+          "stats": {
+            "total_outcomes": 1,
+            "complete": 1,
+            "cancelled": 0,
+            "error": 0,
+            "cancel_requested": 0,
+            "start": 1,
+            "completion_rate_pct": 100,
+            "cancel_rate_pct": 0,
+            "error_rate_pct": 0
+          }
+        },
+        {
+          "key": "session_a4b91821c664",
+          "stats": {
+            "total_outcomes": 1,
+            "complete": 1,
+            "cancelled": 0,
+            "error": 0,
+            "cancel_requested": 0,
+            "start": 0,
+            "completion_rate_pct": 100,
+            "cancel_rate_pct": 0,
+            "error_rate_pct": 0
+          }
+        },
+        {
+          "key": "session_cb9a69d8a362",
+          "stats": {
+            "total_outcomes": 1,
+            "complete": 1,
+            "cancelled": 0,
+            "error": 0,
+            "cancel_requested": 0,
+            "start": 1,
+            "completion_rate_pct": 100,
+            "cancel_rate_pct": 0,
+            "error_rate_pct": 0
+          }
+        },
+        {
+          "key": "session_e0a2a17b7329",
+          "stats": {
+            "total_outcomes": 1,
+            "complete": 1,
+            "cancelled": 0,
+            "error": 0,
+            "cancel_requested": 0,
+            "start": 1,
+            "completion_rate_pct": 100,
+            "cancel_rate_pct": 0,
+            "error_rate_pct": 0
+          }
+        },
+        {
+          "key": "session_ea839415979e",
+          "stats": {
+            "total_outcomes": 1,
+            "complete": 1,
+            "cancelled": 0,
+            "error": 0,
+            "cancel_requested": 0,
+            "start": 1,
+            "completion_rate_pct": 100,
+            "cancel_rate_pct": 0,
+            "error_rate_pct": 0
+          }
+        },
+        {
+          "key": "session_f6304f25e43b",
+          "stats": {
+            "total_outcomes": 1,
+            "complete": 1,
+            "cancelled": 0,
+            "error": 0,
+            "cancel_requested": 0,
+            "start": 1,
+            "completion_rate_pct": 100,
+            "cancel_rate_pct": 0,
+            "error_rate_pct": 0
+          }
+        },
+        {
+          "key": "session_fd6536fa5ff4",
+          "stats": {
+            "total_outcomes": 1,
+            "complete": 1,
+            "cancelled": 0,
+            "error": 0,
+            "cancel_requested": 0,
+            "start": 1,
+            "completion_rate_pct": 100,
+            "cancel_rate_pct": 0,
+            "error_rate_pct": 0
+          }
+        }
+      ]
+    },
+    "cancel_latency_ms": null,
+    "reactions": {
+      "matched": 0,
+      "skipped": 14,
+      "total": 14,
+      "match_rate_pct": 0,
+      "skip_rate_pct": 100,
+      "skip_reasons": [
+        {
+          "reason": "no_rules",
+          "count": 14,
+          "pct": 100
+        }
+      ]
+    }
+  }
+}
diff --git a/docs/plans/artifacts/phase0_baseline_live_backend_pi_embedded_2026-02-27.jsonl b/docs/plans/artifacts/phase0_baseline_live_backend_pi_embedded_2026-02-27.jsonl
new file mode 100644
index 0000000..717fe6b
--- /dev/null
+++ b/docs/plans/artifacts/phase0_baseline_live_backend_pi_embedded_2026-02-27.jsonl
@@ -0,0 +1,56 @@
+{"level":"debug","event_type":"reaction.skip","event":{"session_id":"session_2f2f1e414e81","channel":"gmail","sender":"sender_323cedc3233a","source":"channel","reason":"no_rules","candidate_count":0},"timestamp":1772107655159}
+{"level":"info","event_type":"run.state","event":{"session_id":"session_2f2f1e414e81","channel":"gmail","sender":"sender_323cedc3233a","source":"channel","state":"start","request_id":"request_7da150aff098"},"timestamp":1772107655160}
+{"level":"info","event_type":"run.state","event":{"session_id":"session_2f2f1e414e81","channel":"gmail","sender":"sender_323cedc3233a","source":"channel","state":"complete","request_id":"request_7da150aff098","duration_ms":3324},"timestamp":1772107658484}
+{"level":"debug","event_type":"reaction.skip","event":{"session_id":"session_2f2f1e414e81","channel":"gmail","sender":"sender_323cedc3233a","source":"channel","reason":"no_rules","candidate_count":0},"timestamp":1772114255688}
+{"level":"info","event_type":"run.state","event":{"session_id":"session_2f2f1e414e81","channel":"gmail","sender":"sender_323cedc3233a","source":"channel","state":"start","request_id":"request_55013bd2ec5f"},"timestamp":1772114255688}
+{"level":"info","event_type":"run.state","event":{"session_id":"session_2f2f1e414e81","channel":"gmail","sender":"sender_323cedc3233a","source":"channel","state":"complete","request_id":"request_55013bd2ec5f","duration_ms":3006},"timestamp":1772114258694}
+{"level":"debug","event_type":"reaction.skip","event":{"session_id":"session_2f2f1e414e81","channel":"gmail","sender":"sender_323cedc3233a","source":"channel","reason":"no_rules","candidate_count":0},"timestamp":1772119955933}
+{"level":"info","event_type":"run.state","event":{"session_id":"session_2f2f1e414e81","channel":"gmail","sender":"sender_323cedc3233a","source":"channel","state":"start","request_id":"request_a01be9a4284b"},"timestamp":1772119955933}
+{"level":"info","event_type":"run.state","event":{"session_id":"session_2f2f1e414e81","channel":"gmail","sender":"sender_323cedc3233a","source":"channel","state":"complete","request_id":"request_a01be9a4284b","duration_ms":2379},"timestamp":1772119958312}
+{"level":"debug","event_type":"reaction.skip","event":{"session_id":"session_2f2f1e414e81","channel":"gmail","sender":"sender_323cedc3233a","source":"channel","reason":"no_rules","candidate_count":0},"timestamp":1772120856043}
+{"level":"info","event_type":"run.state","event":{"session_id":"session_2f2f1e414e81","channel":"gmail","sender":"sender_323cedc3233a","source":"channel","state":"start","request_id":"request_49c2900b17a3"},"timestamp":1772120856043}
+{"level":"info","event_type":"run.state","event":{"session_id":"session_2f2f1e414e81","channel":"gmail","sender":"sender_323cedc3233a","source":"channel","state":"complete","request_id":"request_49c2900b17a3","duration_ms":4223},"timestamp":1772120860266}
+{"level":"debug","event_type":"reaction.skip","event":{"session_id":"session_cb9a69d8a362","channel":"gmail","sender":"sender_48feae1a0ad8","source":"channel","reason":"no_rules","candidate_count":0},"timestamp":1772122956201}
+{"level":"info","event_type":"run.state","event":{"session_id":"session_cb9a69d8a362","channel":"gmail","sender":"sender_48feae1a0ad8","source":"channel","state":"start","request_id":"request_59fd88029c97"},"timestamp":1772122956201}
+{"level":"info","event_type":"run.state","event":{"session_id":"session_cb9a69d8a362","channel":"gmail","sender":"sender_48feae1a0ad8","source":"channel","state":"complete","request_id":"request_59fd88029c97","duration_ms":2854},"timestamp":1772122959055}
+{"level":"info","event_type":"run.state","event":{"session_id":"session_a4b91821c664","channel":"gmail","sender":"sender_9eff7c852e06","source":"channel","state":"complete","request_id":"request_7734a5dbc98e","duration_ms":5944},"timestamp":1772129748001}
+{"level":"info","event_type":"run.state","event":{"session_id":"session_eabc3c2a91b9","channel":"gmail","sender":"sender_4fe02519d59e","source":"channel","state":"complete","request_id":"request_81d00f26b8cb","duration_ms":8017},"timestamp":1772129750396}
+{"level":"info","event_type":"run.state","event":{"session_id":"session_58a64b6f2c91","channel":"gmail","sender":"sender_4222a55cdd53","source":"channel","state":"complete","request_id":"request_e59d82ef75e8","duration_ms":5232},"timestamp":1772131247844}
+{"level":"info","event_type":"run.state","event":{"session_id":"session_e0a2a17b7329","channel":"gmail","sender":"sender_5c8cb7bfc88d","source":"channel","state":"start","request_id":"request_ed877aec1e58"},"timestamp":1772131542651}
+{"level":"info","event_type":"run.state","event":{"session_id":"session_e0a2a17b7329","channel":"gmail","sender":"sender_5c8cb7bfc88d","source":"channel","state":"complete","request_id":"request_ed877aec1e58","duration_ms":6190},"timestamp":1772131548841}
+{"level":"debug","event_type":"reaction.skip","event":{"session_id":"session_f6304f25e43b","channel":"gmail","sender":"sender_311c7608cc58","source":"channel","reason":"no_rules","candidate_count":0},"timestamp":1772132142832}
+{"level":"info","event_type":"run.state","event":{"session_id":"session_f6304f25e43b","channel":"gmail","sender":"sender_311c7608cc58","source":"channel","state":"start","request_id":"request_8fdb3054a74d"},"timestamp":1772132142833}
+{"level":"debug","event_type":"reaction.skip","event":{"session_id":"session_eabc3c2a91b9","channel":"gmail","sender":"sender_4fe02519d59e","source":"channel","reason":"no_rules","candidate_count":0},"timestamp":1772132142976}
+{"level":"info","event_type":"run.state","event":{"session_id":"session_eabc3c2a91b9","channel":"gmail","sender":"sender_4fe02519d59e","source":"channel","state":"start","request_id":"request_487012d053f7"},"timestamp":1772132142976}
+{"level":"info","event_type":"run.state","event":{"session_id":"session_f6304f25e43b","channel":"gmail","sender":"sender_311c7608cc58","source":"channel","state":"complete","request_id":"request_8fdb3054a74d","duration_ms":3727},"timestamp":1772132146560}
+{"level":"info","event_type":"run.state","event":{"session_id":"session_eabc3c2a91b9","channel":"gmail","sender":"sender_4fe02519d59e","source":"channel","state":"complete","request_id":"request_487012d053f7","duration_ms":4848},"timestamp":1772132147824}
+{"level":"debug","event_type":"reaction.skip","event":{"session_id":"session_ea839415979e","channel":"gmail","sender":"sender_63a36881e696","source":"channel","reason":"no_rules","candidate_count":0},"timestamp":1772133342779}
+{"level":"info","event_type":"run.state","event":{"session_id":"session_ea839415979e","channel":"gmail","sender":"sender_63a36881e696","source":"channel","state":"start","request_id":"request_46feddcf35ba"},"timestamp":1772133342779}
+{"level":"info","event_type":"run.state","event":{"session_id":"session_ea839415979e","channel":"gmail","sender":"sender_63a36881e696","source":"channel","state":"complete","request_id":"request_46feddcf35ba","duration_ms":2091},"timestamp":1772133344870}
+{"level":"info","event_type":"run.state","event":{"session_id":"session_4d9e843358a3","channel":"gmail","sender":"sender_597782907690","source":"channel","state":"complete","request_id":"request_a43658b8d10f","duration_ms":7829},"timestamp":1772135687339}
+{"level":"debug","event_type":"reaction.skip","event":{"session_id":"session_84ba9e30a4aa","channel":"telegram","sender":"sender_403740748465","source":"channel","reason":"no_rules","candidate_count":0},"timestamp":1772135865178}
+{"level":"info","event_type":"run.state","event":{"session_id":"session_7d3c3ff67d4f","channel":"gmail","sender":"sender_1625f89b7500","source":"channel","state":"complete","request_id":"request_882bdf0a0b51","duration_ms":5046},"timestamp":1772136369558}
+{"level":"debug","event_type":"reaction.skip","event":{"session_id":"session_f4d8ddc04194","channel":"gmail","sender":"sender_c8a436a5eb54","source":"channel","reason":"no_rules","candidate_count":0},"timestamp":1772142493741}
+{"level":"info","event_type":"run.state","event":{"session_id":"session_f4d8ddc04194","channel":"gmail","sender":"sender_c8a436a5eb54","source":"channel","state":"start","request_id":"request_b67bb7dcfb3e"},"timestamp":1772142493741}
+{"level":"info","event_type":"run.state","event":{"session_id":"session_f4d8ddc04194","channel":"gmail","sender":"sender_c8a436a5eb54","source":"channel","state":"complete","request_id":"request_b67bb7dcfb3e","duration_ms":6271},"timestamp":1772142500012}
+{"level":"info","event_type":"run.state","event":{"session_id":"session_8849a4464275","channel":"gmail","sender":"sender_5aa2798b691a","source":"channel","state":"complete","request_id":"request_f0b319de0e0f","duration_ms":3148},"timestamp":1772143096664}
+{"level":"info","event_type":"run.state","event":{"session_id":"session_9067cf5e3558","channel":"gmail","sender":"sender_5375920e43c6","source":"channel","state":"start","request_id":"request_802086e4ecb7"},"timestamp":1772144293784}
+{"level":"info","event_type":"run.state","event":{"session_id":"session_9067cf5e3558","channel":"gmail","sender":"sender_5375920e43c6","source":"channel","state":"complete","request_id":"request_802086e4ecb7","duration_ms":3535},"timestamp":1772144297319}
+{"level":"info","event_type":"run.state","event":{"session_id":"session_33469de5a1ee","channel":"gmail","sender":"sender_23f2c718f92a","source":"channel","state":"start","request_id":"request_e1ee7948be6e"},"timestamp":1772147893923}
+{"level":"info","event_type":"run.state","event":{"session_id":"session_33469de5a1ee","channel":"gmail","sender":"sender_23f2c718f92a","source":"channel","state":"complete","request_id":"request_e1ee7948be6e","duration_ms":4090},"timestamp":1772147898013}
+{"level":"debug","event_type":"reaction.skip","event":{"session_id":"session_f4d8ddc04194","channel":"gmail","sender":"sender_c8a436a5eb54","source":"channel","reason":"no_rules","candidate_count":0},"timestamp":1772151794148}
+{"level":"info","event_type":"run.state","event":{"session_id":"session_f4d8ddc04194","channel":"gmail","sender":"sender_c8a436a5eb54","source":"channel","state":"start","request_id":"request_dc04b15aeb0d"},"timestamp":1772151794148}
+{"level":"debug","event_type":"reaction.skip","event":{"session_id":"session_f4d8ddc04194","channel":"gmail","sender":"sender_c8a436a5eb54","source":"channel","reason":"no_rules","candidate_count":0},"timestamp":1772151794297}
+{"level":"info","event_type":"run.state","event":{"session_id":"session_f4d8ddc04194","channel":"gmail","sender":"sender_c8a436a5eb54","source":"channel","state":"start","request_id":"request_f786a5385b23"},"timestamp":1772151794297}
+{"level":"info","event_type":"run.state","event":{"session_id":"session_f4d8ddc04194","channel":"gmail","sender":"sender_c8a436a5eb54","source":"channel","state":"complete","request_id":"request_dc04b15aeb0d","duration_ms":8516},"timestamp":1772151802664}
+{"level":"info","event_type":"run.state","event":{"session_id":"session_f4d8ddc04194","channel":"gmail","sender":"sender_c8a436a5eb54","source":"channel","state":"complete","request_id":"request_f786a5385b23","duration_ms":9850},"timestamp":1772151804147}
+{"level":"info","event_type":"run.state","event":{"session_id":"session_fd6536fa5ff4","channel":"gmail","sender":"sender_fcf96878ddcb","source":"channel","state":"start","request_id":"request_ff70daf25a96"},"timestamp":1772158394779}
+{"level":"info","event_type":"run.state","event":{"session_id":"session_fd6536fa5ff4","channel":"gmail","sender":"sender_fcf96878ddcb","source":"channel","state":"complete","request_id":"request_ff70daf25a96","duration_ms":5690},"timestamp":1772158400469}
+{"level":"debug","event_type":"reaction.skip","event":{"session_id":"session_8b51db8cde21","channel":"gmail","sender":"sender_c9788a77f027","source":"channel","reason":"no_rules","candidate_count":0},"timestamp":1772163195186}
+{"level":"info","event_type":"run.state","event":{"session_id":"session_8b51db8cde21","channel":"gmail","sender":"sender_c9788a77f027","source":"channel","state":"start","request_id":"request_9054b78eda1d"},"timestamp":1772163195187}
+{"level":"info","event_type":"run.state","event":{"session_id":"session_8b51db8cde21","channel":"gmail","sender":"sender_c9788a77f027","source":"channel","state":"complete","request_id":"request_9054b78eda1d","duration_ms":2356},"timestamp":1772163197543}
+{"level":"info","event_type":"run.state","event":{"session_id":"session_7db5014f64fe","channel":"gmail","sender":"sender_81e925eaae0e","source":"channel","state":"complete","request_id":"request_7f5d82d1085a","duration_ms":5231},"timestamp":1772197161761}
+{"level":"info","event_type":"run.state","event":{"session_id":"session_3ffb2e631ab1","channel":"gmail","sender":"sender_745442e44534","source":"channel","state":"complete","request_id":"request_3d4d23510682","duration_ms":3836},"timestamp":1772199260639}
+{"level":"debug","event_type":"reaction.skip","event":{"session_id":"session_2f2f1e414e81","channel":"gmail","sender":"sender_323cedc3233a","source":"channel","reason":"no_rules","candidate_count":0},"timestamp":1772206157229}
+{"level":"info","event_type":"run.state","event":{"session_id":"session_2f2f1e414e81","channel":"gmail","sender":"sender_323cedc3233a","source":"channel","state":"start","request_id":"request_ab73d670c119"},"timestamp":1772206157229}
+{"level":"info","event_type":"run.state","event":{"session_id":"session_2f2f1e414e81","channel":"gmail","sender":"sender_323cedc3233a","source":"channel","state":"complete","request_id":"request_ab73d670c119","duration_ms":3850},"timestamp":1772206161079}
diff --git a/docs/plans/artifacts/phase0_baseline_live_backend_pi_embedded_2026-02-27.md b/docs/plans/artifacts/phase0_baseline_live_backend_pi_embedded_2026-02-27.md
new file mode 100644
index 0000000..154047c
--- /dev/null
+++ b/docs/plans/artifacts/phase0_baseline_live_backend_pi_embedded_2026-02-27.md
@@ -0,0 +1,62 @@
+# Phase 0 Baseline Telemetry Summary
+
+- Run state events: 42
+- Run cancel events: 0
+- Reaction matches: 0
+- Reaction skips: 14
+
+- Sources: channel
+
+## Run Outcomes (Overall)
+
+- Total outcomes: 25
+- Complete: 25 (100.00%)
+- Cancelled: 0 (0.00%)
+- Errors: 0 (0.00%)
+- Cancel requested: 0
+- Starts: 17
+
+## Run Outcomes by Channel
+
+| Channel | Outcomes | Complete | Cancelled | Error | Complete % | Cancel % | Error % | Cancel Req | Starts |
+| --- | ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: |
+| gmail | 25 | 25 | 0 | 0 | 100.00% | 0.00% | 0.00% | 0 | 17 |
+
+## Run Outcomes by Session
+
+| Session | Outcomes | Complete | Cancelled | Error | Complete % | Cancel % | Error % | Cancel Req | Starts |
+| --- | ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: |
+| session_2f2f1e414e81 | 5 | 5 | 0 | 0 | 100.00% | 0.00% | 0.00% | 0 | 5 |
+| session_f4d8ddc04194 | 3 | 3 | 0 | 0 | 100.00% | 0.00% | 0.00% | 0 | 3 |
+| session_eabc3c2a91b9 | 2 | 2 | 0 | 0 | 100.00% | 0.00% | 0.00% | 0 | 1 |
+| session_33469de5a1ee | 1 | 1 | 0 | 0 | 100.00% | 0.00% | 0.00% | 0 | 1 |
+| session_3ffb2e631ab1 | 1 | 1 | 0 | 0 | 100.00% | 0.00% | 0.00% | 0 | 0 |
+| session_4d9e843358a3 | 1 | 1 | 0 | 0 | 100.00% | 0.00% | 0.00% | 0 | 0 |
+| session_58a64b6f2c91 | 1 | 1 | 0 | 0 | 100.00% | 0.00% | 0.00% | 0 | 0 |
+| session_7d3c3ff67d4f | 1 | 1 | 0 | 0 | 100.00% | 0.00% | 0.00% | 0 | 0 |
+| session_7db5014f64fe | 1 | 1 | 0 | 0 | 100.00% | 0.00% | 0.00% | 0 | 0 |
+| session_8849a4464275 | 1 | 1 | 0 | 0 | 100.00% | 0.00% | 0.00% | 0 | 0 |
+| session_8b51db8cde21 | 1 | 1 | 0 | 0 | 100.00% | 0.00% | 0.00% | 0 | 1 |
+| session_9067cf5e3558 | 1 | 1 | 0 | 0 | 100.00% | 0.00% | 0.00% | 0 | 1 |
+| session_a4b91821c664 | 1 | 1 | 0 | 0 | 100.00% | 0.00% | 0.00% | 0 | 0 |
+| session_cb9a69d8a362 | 1 | 1 | 0 | 0 | 100.00% | 0.00% | 0.00% | 0 | 1 |
+| session_e0a2a17b7329 | 1 | 1 | 0 | 0 | 100.00% | 0.00% | 0.00% | 0 | 1 |
+| session_ea839415979e | 1 | 1 | 0 | 0 | 100.00% | 0.00% | 0.00% | 0 | 1 |
+| session_f6304f25e43b | 1 | 1 | 0 | 0 | 100.00% | 0.00% | 0.00% | 0 | 1 |
+| session_fd6536fa5ff4 | 1 | 1 | 0 | 0 | 100.00% | 0.00% | 0.00% | 0 | 1 |
+
+## Cancel Latency
+
+- No cancel latency samples.
+
+## Reaction Decisions
+
+- Matched: 0 (0.00%)
+- Skipped: 14 (100.00%)
+
+### Skip Reasons
+
+| Reason | Count | Percent |
+| --- | ---: | ---: |
+| no_rules | 14 | 100.00% |
+
diff --git a/docs/plans/artifacts/phase0_baseline_live_gateway_2026-02-27.json b/docs/plans/artifacts/phase0_baseline_live_gateway_2026-02-27.json
index 0e086f8..5711b12 100644
--- a/docs/plans/artifacts/phase0_baseline_live_gateway_2026-02-27.json
+++ b/docs/plans/artifacts/phase0_baseline_live_gateway_2026-02-27.json
@@ -1,5 +1,5 @@
 {
-  "generated_at": "2026-02-27T08:43:10.946Z",
+  "generated_at": "2026-02-27T16:46:42.880Z",
   "source_audit_path": "~/.local/share/flynn/audit.log",
   "source_event_count": 6,
   "sampled_event_count": 6,
diff --git a/docs/plans/state.json b/docs/plans/state.json
index 195d9ba..4b520be 100644
--- a/docs/plans/state.json
+++ b/docs/plans/state.json
@@ -88,7 +88,7 @@
       "status": "completed",
       "date": "2026-02-27",
       "updated": "2026-02-27",
-      "summary": "Added a dedicated live phase-0 baseline capture flow that reads audit logs, filters run/reaction telemetry, excludes probe sessions, anonymizes session/sender/request IDs, and writes sample + summary artifacts for operational refreshes across both channel-origin and gateway-origin windows. Gateway mode now supports auto-detection of the latest cancel/cancelled window.",
+      "summary": "Added a dedicated live phase-0 baseline capture flow that reads audit logs, filters run/reaction telemetry, excludes probe sessions, anonymizes session/sender/request IDs, and writes sample + summary artifacts for operational refreshes across both channel-origin and gateway-origin windows. Gateway mode now supports auto-detection of the latest cancel/cancelled window, and channel captures can be backend-scoped (`--backend`) using backend-route timelines.",
       "files_modified": [
         "src/audit/phase0LiveBaseline.ts",
         "src/audit/phase0LiveBaseline.test.ts",
@@ -107,9 +107,15 @@
         "docs/plans/artifacts/phase0_baseline_live_gateway_2026-02-27.jsonl",
         "docs/plans/artifacts/phase0_baseline_live_gateway_2026-02-27.md",
         "docs/plans/artifacts/phase0_baseline_live_gateway_2026-02-27.json",
+        "docs/plans/artifacts/phase0_baseline_live_backend_pi_embedded_2026-02-27.jsonl",
+        "docs/plans/artifacts/phase0_baseline_live_backend_pi_embedded_2026-02-27.md",
+        "docs/plans/artifacts/phase0_baseline_live_backend_pi_embedded_2026-02-27.json",
+        "docs/plans/artifacts/phase0_baseline_live_backend_native_2026-02-27.jsonl",
+        "docs/plans/artifacts/phase0_baseline_live_backend_native_2026-02-27.md",
+        "docs/plans/artifacts/phase0_baseline_live_backend_native_2026-02-27.json",
         "docs/plans/state.json"
       ],
-      "test_status": "pnpm audit:phase0-baseline:live:refresh + pnpm test:run src/audit/phase0GatewayWindow.test.ts src/audit/phase0LiveBaseline.test.ts src/audit/phase0BaselineSummary.test.ts + pnpm typecheck passing"
+      "test_status": "pnpm audit:phase0-baseline:live:refresh + pnpm audit:phase0-baseline:live:pi + pnpm audit:phase0-baseline:live:native + pnpm test:run src/audit/phase0GatewayWindow.test.ts src/audit/phase0LiveBaseline.test.ts src/audit/phase0BaselineSummary.test.ts + pnpm typecheck passing"
     },
     "phase0-live-baseline-gateway-window": {
       "status": "completed",
@@ -165,6 +171,31 @@
       ],
       "test_status": "documentation/package-script runbook update only; validated via pnpm audit:phase0-baseline:live:refresh + pnpm typecheck"
     },
+    "phase0-live-baseline-backend-scoping": {
+      "status": "completed",
+      "date": "2026-02-27",
+      "updated": "2026-02-27",
+      "summary": "Added backend-scoped live baseline capture for phase-0 so channel windows can be filtered by routed backend (`--backend native|pi_embedded|...`) using `backend.route` timelines. Added package commands for Pi/native windows and committed live backend-scoped artifacts.",
+      "files_modified": [
+        "src/audit/phase0LiveBaseline.ts",
+        "src/audit/phase0LiveBaseline.test.ts",
+        "scripts/capture-phase0-live-baseline.ts",
+        "package.json",
+        "README.md",
+        "docs/api/PROTOCOL.md",
+        "docs/architecture/AGENT_DIAGRAM.md",
+        "docs/architecture/GATEWAY_SESSIONS_AND_QUEUE.md",
+        "docs/plans/2026-02-25-phase0-instrumentation-ticket-checklist.md",
+        "docs/plans/artifacts/phase0_baseline_live_backend_pi_embedded_2026-02-27.jsonl",
+        "docs/plans/artifacts/phase0_baseline_live_backend_pi_embedded_2026-02-27.md",
+        "docs/plans/artifacts/phase0_baseline_live_backend_pi_embedded_2026-02-27.json",
+        "docs/plans/artifacts/phase0_baseline_live_backend_native_2026-02-27.jsonl",
+        "docs/plans/artifacts/phase0_baseline_live_backend_native_2026-02-27.md",
+        "docs/plans/artifacts/phase0_baseline_live_backend_native_2026-02-27.json",
+        "docs/plans/state.json"
+      ],
+      "test_status": "pnpm audit:phase0-baseline:live:pi + pnpm audit:phase0-baseline:live:native + pnpm test:run src/audit/phase0LiveBaseline.test.ts src/audit/phase0BaselineSummary.test.ts + pnpm typecheck passing"
+    },
     "phase0-instrumentation-ticket-checklist": {
       "status": "completed",
       "date": "2026-02-25",
@@ -7314,7 +7345,7 @@
     }
   },
   "overall_progress": {
-    "total_test_count": 2588,
+    "total_test_count": 2589,
     "all_tests_passing": true,
     "p0_completion": "3/3 (100%)",
     "p1_completion": "4/4 (100%)",
@@ -7350,8 +7381,8 @@
     "deeper_surfaces_phase0_ticket_02": "completed — gateway + daemon routing emit run lifecycle/cancel telemetry and reaction match/skip audit events with filter summaries and cancellation latency, plus focused tests",
     "deeper_surfaces_phase0_ticket_03": "completed — gateway metrics now track run-state outcomes, cancel latency samples, and reaction decision counters with routing/gateway emitters",
     "deeper_surfaces_phase0_ticket_04": "completed — added phase-0 baseline summary tooling for run outcomes, cancel latency, and reaction decisions with markdown/json CLI output",
-    "deeper_surfaces_phase0_ticket_05": "completed — documented phase-0 telemetry fields/workflow, refreshed architecture/protocol docs, and generated anonymized live baseline artifacts for both channel-origin and gateway-origin traffic (including cancel-path coverage)",
-    "next_up": "Apply `pnpm audit:phase0-baseline:live:refresh` to the host scheduler (cron/systemd timer) in each active environment and monitor artifact freshness over at least one full cadence cycle before additional run-control/reaction semantic changes.",
+    "deeper_surfaces_phase0_ticket_05": "completed — documented phase-0 telemetry fields/workflow, refreshed architecture/protocol docs, and generated anonymized live baseline artifacts for channel, gateway, and backend-scoped (pi/native) traffic windows",
+    "next_up": "Apply scheduled `pnpm audit:phase0-baseline:live:refresh` in each active environment and monitor backend-scoped (`pi_embedded` vs `native`) artifact freshness/drift over at least one full cadence cycle before additional run-control/reaction semantic changes.",
     "pi_embedded_canary_spike": "completed — added optional pi_embedded backend adapter, canary-safe no-tools routing guard, backend success/fallback latency audit events, and docs/diagram updates while native remains default",
     "pi_embedded_evaluation_phase": "completed — final decision rollback (applied in runtime config): Window A failed latency/fallback gates (p50 +259ms, p95 +5695ms, fallback 25%, categories: pi_module_interface/empty_assistant_text); Window B remained sample-insufficient; controlled probes verified guard coverage (pi_no_tools_mode/capability_query/attachments_present each hit once)",
     "pi_embedded_manual_mode": "completed — added persisted runtime backend controls for manual Pi activation/deactivation (`/runtime` preferred, `/backend` alias; `status`, `activate pi`, `deactivate pi`, `use config`) while keeping config-driven default routing",
diff --git a/package.json b/package.json
index d00159f..14477ba 100644
--- a/package.json
+++ b/package.json
@@ -23,6 +23,8 @@
     "audit:backend-canary": "node --import tsx/esm scripts/summarize-backend-canary.ts",
     "audit:phase0-baseline": "node --import tsx/esm scripts/summarize-phase0-baseline.ts",
     "audit:phase0-baseline:live": "node --import tsx/esm scripts/capture-phase0-live-baseline.ts --audit ~/.local/share/flynn/audit.log --source channel --exclude-session-substring probe",
+    "audit:phase0-baseline:live:pi": "node --import tsx/esm scripts/capture-phase0-live-baseline.ts --audit ~/.local/share/flynn/audit.log --source channel --backend pi_embedded --exclude-session-substring probe",
+    "audit:phase0-baseline:live:native": "node --import tsx/esm scripts/capture-phase0-live-baseline.ts --audit ~/.local/share/flynn/audit.log --source channel --backend native --exclude-session-substring probe",
     "audit:phase0-baseline:live:gateway": "node --import tsx/esm scripts/capture-phase0-live-baseline.ts --audit ~/.local/share/flynn/audit.log --source gateway --auto-gateway-cancel-window",
     "audit:phase0-baseline:live:refresh": "pnpm audit:phase0-baseline:live && pnpm audit:phase0-baseline:live:gateway",
     "audit:backend-canary:probes": "node --import tsx/esm scripts/run-pi-canary-guard-probes.ts",
diff --git a/scripts/capture-phase0-live-baseline.ts b/scripts/capture-phase0-live-baseline.ts
index b3ccb9b..ca10e17 100644
--- a/scripts/capture-phase0-live-baseline.ts
+++ b/scripts/capture-phase0-live-baseline.ts
@@ -4,7 +4,10 @@ import { mkdir, writeFile } from 'node:fs/promises';
 import { dirname, resolve } from 'node:path';
 import { parseArgs } from 'node:util';
 import { queryAuditLogs } from '../src/audit/export.js';
-import { capturePhase0LiveBaselineEvents } from '../src/audit/phase0LiveBaseline.js';
+import {
+  capturePhase0LiveBaselineEvents,
+  type Phase0BackendTarget,
+} from '../src/audit/phase0LiveBaseline.js';
 import { findLatestGatewayCancelWindow } from '../src/audit/phase0GatewayWindow.js';
 import {
   renderPhase0BaselineMarkdown,
@@ -14,6 +17,14 @@ import {
 } from '../src/audit/phase0BaselineSummary.js';
 
 const DEFAULT_EVENT_TYPES = ['run.state', 'run.cancel', 'reaction.match', 'reaction.skip'] as const;
+const BACKEND_TARGETS: readonly Phase0BackendTarget[] = [
+  'native',
+  'claude_code',
+  'opencode',
+  'codex',
+  'gemini',
+  'pi_embedded',
+];
 
 function usage(): string {
   return [
@@ -25,6 +36,7 @@ function usage(): string {
     '  --until <ISO-8601|epoch_ms>             End time filter',
     '  --channel <name[,name...]>              Restrict sample to channels',
     '  --source <gateway|channel[,..]>         Restrict sample to sources',
+    '  --backend <native|pi_embedded|...[,..]> Restrict sample to selected backends (via backend.route timeline)',
     '  --exclude-session-substring <text[,..]> Exclude sessions containing any substring (default: probe)',
     '  --auto-gateway-cancel-window            Auto-select latest gateway cancel/cancelled session window',
     '  --window-padding-ms <number>            Milliseconds added before/after auto-selected window (default: 250)',
@@ -113,6 +125,22 @@ function parseOptionalNumber(raw: string | undefined, flag: string): number | un
   return parsed;
 }
 
+function parseBackendTargets(raw: string | undefined): Phase0BackendTarget[] | undefined {
+  const values = parseCsv(raw);
+  if (!values) {
+    return undefined;
+  }
+  const parsed: Phase0BackendTarget[] = [];
+  for (const value of values) {
+    if (BACKEND_TARGETS.includes(value as Phase0BackendTarget)) {
+      parsed.push(value as Phase0BackendTarget);
+      continue;
+    }
+    throw new Error(`Invalid backend "${value}".`);
+  }
+  return parsed;
+}
+
 function isoDateTagNow(): string {
   return new Date().toISOString().slice(0, 10);
 }
@@ -130,6 +158,7 @@ async function main(): Promise<void> {
       until: { type: 'string' },
       channel: { type: 'string' },
       source: { type: 'string' },
+      backend: { type: 'string' },
       'exclude-session-substring': { type: 'string' },
       'auto-gateway-cancel-window': { type: 'boolean' },
       'window-padding-ms': { type: 'string' },
@@ -156,6 +185,7 @@ async function main(): Promise<void> {
   const tag = values.tag ?? isoDateTagNow();
   const channels = parseCsv(values.channel);
   let sources = parseSources(values.source);
+  const backendTargets = parseBackendTargets(values.backend);
   const excludeSessionSubstrings = parseCsv(values['exclude-session-substring']) ?? ['probe'];
   const autoGatewayCancelWindow = Boolean(values['auto-gateway-cancel-window']);
   const windowPaddingMs = parseOptionalNumber(values['window-padding-ms'], '--window-padding-ms');
@@ -190,8 +220,15 @@ async function main(): Promise<void> {
   }
 
   const isGatewayOnly = sources?.length === 1 && sources[0] === 'gateway';
+  const backendSuffix = backendTargets && backendTargets.length > 0
+    ? backendTargets.length === 1
+      ? `backend_${backendTargets[0]}`
+      : 'backend_scoped'
+    : undefined;
   const defaultBaseName = isGatewayOnly
     ? `docs/plans/artifacts/phase0_baseline_live_gateway_${tag}`
+    : backendSuffix
+      ? `docs/plans/artifacts/phase0_baseline_live_${backendSuffix}_${tag}`
     : `docs/plans/artifacts/phase0_baseline_live_${tag}`;
   const sampleOut = values['sample-out'] ?? `${defaultBaseName}.jsonl`;
   const summaryJsonOut = values['summary-json-out'] ?? `${defaultBaseName}.json`;
@@ -205,6 +242,14 @@ async function main(): Promise<void> {
     maxSkipReasons: parseOptionalNumber(values['max-skip-reasons'], '--max-skip-reasons') ?? 10,
   };
 
+  const backendRouteEvents = backendTargets && backendTargets.length > 0
+    ? await queryAuditLogs(auditPath, {
+      start_time: startTime,
+      end_time: endTime,
+      event_types: ['backend.route'],
+    })
+    : [];
+
   const sourceEvents = await queryAuditLogs(auditPath, {
     start_time: startTime,
     end_time: endTime,
@@ -214,6 +259,8 @@ async function main(): Promise<void> {
   const sampledEvents = capturePhase0LiveBaselineEvents(sourceEvents, {
     channels,
     sources,
+    backendTargets,
+    backendRouteEvents,
     excludeSessionSubstrings,
     anonymizeIdentifiers: !values['raw-identifiers'],
   });
@@ -231,6 +278,7 @@ async function main(): Promise<void> {
       until_ms: endTime,
       channels,
       sources,
+      backend_targets: backendTargets,
       exclude_session_substrings: excludeSessionSubstrings,
       anonymized_identifiers: !values['raw-identifiers'],
       auto_gateway_cancel_window: autoWindow
@@ -239,6 +287,7 @@ async function main(): Promise<void> {
           padding_ms: windowPaddingMs ?? 250,
         }
         : undefined,
+      backend_route_event_count: backendRouteEvents.length > 0 ? backendRouteEvents.length : undefined,
     },
     options: summaryOptions,
     summary,
@@ -252,6 +301,9 @@ async function main(): Promise<void> {
   if (autoWindow) {
     process.stdout.write(`- auto gateway window: session=${autoWindow.session_id} start=${autoWindow.start_time_ms} end=${autoWindow.end_time_ms}\n`);
   }
+  if (backendTargets && backendTargets.length > 0) {
+    process.stdout.write(`- backend targets: ${backendTargets.join(', ')} (route events: ${backendRouteEvents.length})\n`);
+  }
   process.stdout.write(`- sample: ${sampleOut}\n`);
   process.stdout.write(`- summary json: ${summaryJsonOut}\n`);
   process.stdout.write(`- summary md: ${summaryMdOut}\n`);
diff --git a/src/audit/phase0LiveBaseline.test.ts b/src/audit/phase0LiveBaseline.test.ts
index 6dc5dc3..e4bba13 100644
--- a/src/audit/phase0LiveBaseline.test.ts
+++ b/src/audit/phase0LiveBaseline.test.ts
@@ -75,5 +75,34 @@ describe('capturePhase0LiveBaselineEvents', () => {
     expect(first.request_id).not.toBe(second.request_id);
     expect(first.lane_id).not.toBe(second.lane_id);
   });
-});
 
+  it('filters phase-0 events by backend route timelines when backend targets are provided', () => {
+    const events: AuditEvent[] = [
+      event(15, 'run.state', { session_id: 's1', channel: 'gmail', sender: 'u1', source: 'channel', state: 'start' }),
+      event(20, 'reaction.skip', { session_id: 's1', channel: 'gmail', sender: 'u1', source: 'channel', reason: 'no_rules', candidate_count: 0 }),
+      event(35, 'run.state', { session_id: 's1', channel: 'gmail', sender: 'u1', source: 'channel', state: 'complete' }),
+      event(45, 'run.state', { session_id: 's2', channel: 'gmail', sender: 'u2', source: 'channel', state: 'complete' }),
+      event(55, 'run.state', { session_id: 's3', channel: 'gmail', sender: 'u3', source: 'channel', state: 'start' }),
+    ];
+
+    const backendRouteEvents: AuditEvent[] = [
+      event(10, 'backend.route', { session_id: 's1', selected_backend: 'pi_embedded' }),
+      event(30, 'backend.route', { session_id: 's1', selected_backend: 'native' }),
+      event(40, 'backend.route', { session_id: 's2', selected_backend: 'pi_embedded' }),
+    ];
+
+    const piOnly = capturePhase0LiveBaselineEvents(events, {
+      backendTargets: ['pi_embedded'],
+      backendRouteEvents,
+      anonymizeIdentifiers: false,
+    });
+    expect(piOnly.map((entry) => entry.timestamp)).toEqual([15, 20, 45]);
+
+    const nativeOnly = capturePhase0LiveBaselineEvents(events, {
+      backendTargets: ['native'],
+      backendRouteEvents,
+      anonymizeIdentifiers: false,
+    });
+    expect(nativeOnly.map((entry) => entry.timestamp)).toEqual([35]);
+  });
+});
diff --git a/src/audit/phase0LiveBaseline.ts b/src/audit/phase0LiveBaseline.ts
index e49b80d..588cc23 100644
--- a/src/audit/phase0LiveBaseline.ts
+++ b/src/audit/phase0LiveBaseline.ts
@@ -2,6 +2,8 @@ import { createHash } from 'node:crypto';
 import type { AuditEvent, AuditEventType } from './types.js';
 import type { AuditSource } from './phase0BaselineSummary.js';
 
+export type Phase0BackendTarget = 'native' | 'claude_code' | 'opencode' | 'codex' | 'gemini' | 'pi_embedded';
+
 const PHASE0_BASELINE_EVENT_TYPES: readonly AuditEventType[] = [
   'run.state',
   'run.cancel',
@@ -9,9 +11,20 @@ const PHASE0_BASELINE_EVENT_TYPES: readonly AuditEventType[] = [
   'reaction.skip',
 ];
 
+const BACKEND_TARGETS: readonly Phase0BackendTarget[] = [
+  'native',
+  'claude_code',
+  'opencode',
+  'codex',
+  'gemini',
+  'pi_embedded',
+];
+
 export interface CapturePhase0LiveBaselineOptions {
   channels?: string[];
   sources?: AuditSource[];
+  backendTargets?: Phase0BackendTarget[];
+  backendRouteEvents?: AuditEvent[];
   excludeSessionSubstrings?: string[];
   anonymizeIdentifiers?: boolean;
 }
@@ -27,6 +40,57 @@ function toPayload(value: unknown): Record<string, unknown> {
     : {};
 }
 
+function isBackendTarget(value: string): value is Phase0BackendTarget {
+  return BACKEND_TARGETS.includes(value as Phase0BackendTarget);
+}
+
+function buildBackendRouteTimeline(
+  events: AuditEvent[],
+): Map<string, Array<{ at: number; backend: Phase0BackendTarget }>> {
+  const bySession = new Map<string, Array<{ at: number; backend: Phase0BackendTarget }>>();
+
+  for (const event of events) {
+    if (event.event_type !== 'backend.route') {
+      continue;
+    }
+    const payload = toPayload(event.event);
+    const sessionId = readStringField(payload, 'session_id');
+    const selectedBackend = readStringField(payload, 'selected_backend');
+    if (!sessionId || !selectedBackend || !isBackendTarget(selectedBackend)) {
+      continue;
+    }
+    const rows = bySession.get(sessionId) ?? [];
+    rows.push({ at: event.timestamp, backend: selectedBackend });
+    bySession.set(sessionId, rows);
+  }
+
+  for (const rows of bySession.values()) {
+    rows.sort((a, b) => a.at - b.at);
+  }
+
+  return bySession;
+}
+
+function resolveBackendForEvent(
+  timelineBySession: Map<string, Array<{ at: number; backend: Phase0BackendTarget }>>,
+  sessionId: string,
+  timestamp: number,
+): Phase0BackendTarget | undefined {
+  const timeline = timelineBySession.get(sessionId);
+  if (!timeline || timeline.length === 0) {
+    return undefined;
+  }
+
+  let selected: Phase0BackendTarget | undefined;
+  for (const row of timeline) {
+    if (row.at > timestamp) {
+      break;
+    }
+    selected = row.backend;
+  }
+  return selected;
+}
+
 function hashIdentifier(prefix: string, value: string): string {
   const digest = createHash('sha256').update(value).digest('hex').slice(0, 12);
   return `${prefix}_${digest}`;
@@ -61,6 +125,10 @@ export function capturePhase0LiveBaselineEvents(
 ): AuditEvent[] {
   const channelFilter = new Set((options.channels ?? []).filter((value) => value.length > 0));
   const sourceFilter = new Set(options.sources ?? []);
+  const backendFilter = new Set((options.backendTargets ?? []).filter((value) => value.length > 0));
+  const backendTimelineBySession = backendFilter.size > 0
+    ? buildBackendRouteTimeline(options.backendRouteEvents ?? [])
+    : new Map<string, Array<{ at: number; backend: Phase0BackendTarget }>>();
   const excludeSessionSubstrings = (options.excludeSessionSubstrings ?? [])
     .map((value) => value.trim().toLowerCase())
     .filter((value) => value.length > 0);
@@ -90,6 +158,15 @@ export function capturePhase0LiveBaselineEvents(
     ) {
       continue;
     }
+    if (backendFilter.size > 0) {
+      if (!sessionId) {
+        continue;
+      }
+      const selectedBackend = resolveBackendForEvent(backendTimelineBySession, sessionId, event.timestamp);
+      if (!selectedBackend || !backendFilter.has(selectedBackend)) {
+        continue;
+      }
+    }
 
     const nextPayload = anonymizeIdentifiers
       ? anonymizePayloadIdentifiers(payload)
@@ -103,4 +180,3 @@ export function capturePhase0LiveBaselineEvents(
 
   return filtered.sort((a, b) => a.timestamp - b.timestamp);
 }
-