docs(eval): record pi canary window A results and hold decision

2026-02-23 22:29:08 -08:00
parent 4f88e047fd
commit 9156adb2a8
4 changed files with 200 additions and 18 deletions
@@ -0,0 +1,126 @@
+{
+  "generated_at": "2026-02-24T06:28:12.014Z",
+  "event_count": 45,
+  "filters": {},
+  "options": {
+    "targetBackend": "pi_embedded",
+    "baselineBackend": "native",
+    "sessionIds": [
+      "telegram:8367012007"
+    ]
+  },
+  "summary": {
+    "route_stats": {
+      "total": 10,
+      "by_backend": {
+        "native": 2,
+        "pi_embedded": 8
+      },
+      "by_source": {
+        "agent_override": 10
+      },
+      "forced_native_guards": {}
+    },
+    "target": {
+      "backend": "pi_embedded",
+      "routes": 8,
+      "completed_turns": 8,
+      "incomplete_turns": 0,
+      "completion_rate_pct": 100,
+      "e2e_latency_ms": {
+        "count": 8,
+        "avg_ms": 4615,
+        "p50_ms": 3240,
+        "p95_ms": 8776,
+        "min_ms": 1859,
+        "max_ms": 9381
+      }
+    },
+    "baseline": {
+      "backend": "native",
+      "routes": 2,
+      "completed_turns": 2,
+      "incomplete_turns": 0,
+      "completion_rate_pct": 100,
+      "e2e_latency_ms": {
+        "count": 2,
+        "avg_ms": 2981,
+        "p50_ms": 2981,
+        "p95_ms": 3081,
+        "min_ms": 2870,
+        "max_ms": 3092
+      }
+    },
+    "target_external_attempts": {
+      "attempts": 8,
+      "successes": 6,
+      "fallbacks": 2,
+      "unresolved_attempts": 0,
+      "success_rate_pct": 75,
+      "attempt_latency_ms": {
+        "count": 8,
+        "avg_ms": 3961,
+        "p50_ms": 2636,
+        "p95_ms": 8766,
+        "min_ms": 135,
+        "max_ms": 9371
+      }
+    },
+    "comparison": {
+      "completion_rate_delta_pp": 0,
+      "p50_latency_delta_ms": 259,
+      "p95_latency_delta_ms": 5695
+    },
+    "fallback_categories": [
+      {
+        "category": "loaded pi module does not expose a supported session factory (expected one of: c",
+        "count": 1,
+        "pct": 50
+      },
+      {
+        "category": "pi agent runtime produced no assistant text",
+        "count": 1,
+        "pct": 50
+      }
+    ],
+    "fallback_top_reasons": [
+      {
+        "reason": "Loaded Pi module does not expose a supported session factory (expected one of: createAgentSession, createSession, createPiSession, createAge",
+        "count": 1
+      },
+      {
+        "reason": "Pi Agent runtime produced no assistant text",
+        "count": 1
+      }
+    ]
+  },
+  "gate": {
+    "pass": false,
+    "criteria": [
+      {
+        "criterion": "Completion rate delta (target - baseline)",
+        "pass": true,
+        "actual": "0.00pp",
+        "threshold": ">= -2.00pp"
+      },
+      {
+        "criterion": "P50 latency delta (target - baseline)",
+        "pass": false,
+        "actual": "259ms",
+        "threshold": "<= 250ms"
+      },
+      {
+        "criterion": "P95 latency delta (target - baseline)",
+        "pass": false,
+        "actual": "5695ms",
+        "threshold": "<= 700ms"
+      },
+      {
+        "criterion": "Fallback rate (target external attempts)",
+        "pass": false,
+        "actual": "25.00%",
+        "threshold": "<= 5.00%"
+      }
+    ]
+  }
+}
@@ -0,0 +1,50 @@
+# Pi Embedded Canary Summary
+
+- Target backend: `pi_embedded`
+- Baseline backend: `native`
+- Routes analyzed: 10
+
+## Route Distribution
+
+| Backend | Routes |
+| --- | ---: |
+| pi_embedded | 8 |
+| native | 2 |
+
+## Reliability
+
+| Metric | Target | Baseline | Delta |
+| --- | ---: | ---: | ---: |
+| Turn completion rate | 100.00% | 100.00% | 0.00pp |
+| External success rate | 75.00% | n/a | n/a |
+| External attempts | 8 | n/a | n/a |
+| External fallbacks | 2 | n/a | n/a |
+
+## Latency
+
+- Target end-to-end: count=8, avg=4615ms, p50=3240ms, p95=8776ms, min=1859ms, max=9381ms
+- Baseline end-to-end: count=2, avg=2981ms, p50=2981ms, p95=3081ms, min=2870ms, max=3092ms
+- P50 delta (target - baseline): 259ms
+- P95 delta (target - baseline): 5695ms
+- Target external attempt: count=8, avg=3961ms, p50=2636ms, p95=8766ms, min=135ms, max=9371ms
+
+## Fallback Taxonomy
+
+| Category | Count | Percent |
+| --- | ---: | ---: |
+| loaded pi module does not expose a supported session factory (expected one of: c | 1 | 50.00% |
+| pi agent runtime produced no assistant text | 1 | 50.00% |
+
+## Top Fallback Reasons
+
+- Loaded Pi module does not expose a supported session factory (expected one of: createAgentSession, createSession, createPiSession, createAge (1)
+- Pi Agent runtime produced no assistant text (1)
+
+## Gate Evaluation
+
+- Gate result: HOLD
+- [x] Completion rate delta (target - baseline): actual=0.00pp, threshold=>= -2.00pp
+- [ ] P50 latency delta (target - baseline): actual=259ms, threshold=<= 250ms
+- [ ] P95 latency delta (target - baseline): actual=5695ms, threshold=<= 700ms
+- [ ] Fallback rate (target external attempts): actual=25.00%, threshold=<= 5.00%
+