Add /remember, /config commands and memory helper scripts

New commands:
- /remember: Quick shortcut to save to memory (auto-categorizes)
- /config: View and manage configuration settings

New automation scripts:
- memory-add.py: Add items to PA memory with auto-categorization
- memory-list.py: List memory items by category

The /remember command provides a quick way to save:
- "Always use X" → preferences
- "Decided to use X" → decisions
- "Project at ~/path" → projects
- Other → facts

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

commands/remember.md

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+---
+name: remember
+description: Quick shortcut to save something to memory
+aliases: [save, note]
+---
+
+# /remember Command
+
+Quick shortcut to save information to PA memory.
+
+## Usage
+
+```
+/remember <what to remember>
+/remember Always use dark mode in editors
+/remember Project X uses PostgreSQL 15
+/remember Prefer functional style over OOP
+```
+
+## Implementation
+
+This is a shortcut for `/pa --remember -- "<instruction>"`.
+
+When invoked:
+
+1. Parse the text after `/remember`
+2. Determine the category:
+   - Contains "prefer", "always", "never" → **preference**
+   - Contains "decided", "chose", "use" → **decision**
+   - Contains project/path references → **project**
+   - Otherwise → **fact**
+
+3. Generate entry:
+```json
+{
+  "id": "<uuid>",
+  "date": "YYYY-MM-DD",
+  "content": "<the text>",
+  "status": "active"
+}
+```
+
+4. Append to appropriate file:
+   - `~/.claude/state/personal-assistant/memory/preferences.json`
+   - `~/.claude/state/personal-assistant/memory/decisions.json`
+   - `~/.claude/state/personal-assistant/memory/projects.json`
+   - `~/.claude/state/personal-assistant/memory/facts.json`
+
+5. Confirm to user:
+```
+✓ Saved to preferences:
+  "Always use dark mode in editors"
+```
+
+## Examples
+
+| Input | Category | File |
+|-------|----------|------|
+| "Always use tabs not spaces" | preference | preferences.json |
+| "Decided to use Rust for CLI tools" | decision | decisions.json |
+| "homelab repo is at ~/repos/homelab" | project | projects.json |
+| "Server IP is 192.168.1.100" | fact | facts.json |
+
+## Quick Access
+
+This is the fastest way to save something:
+
+```
+/remember SSH key is in ~/.ssh/homelab_key
+```
+
+vs the full command:
+
+```
+/pa --remember -- "SSH key is in ~/.ssh/homelab_key"
+```