feat: migrate to skills-based approach

.agents/skills/checkout/SKILL.md

@@ -0,0 +1,52 @@
+---
+name: checkout
+description: Build a weekly checkout/review covering Sunday through today. Gathers meetings, emails, Zulip conversations, and Gitea activity, then produces a structured summary.
+disable-model-invocation: true
+---
+
+# Weekly Review Builder
+
+Build my weekly checkout covering Sunday through today.
+
+1. **Get my identity** with `contactdb_get_me` to obtain my contact_id
+2. **Determine date range**: Sunday to today (use `date -d "last sunday" +%Y-%m-%d`)
+3. **Gather activity in parallel**:
+   - **Dataindex**: Launch **one subagent per day** (Sunday through today). Each subagent should query `dataindex_query_entities` for that specific day with my contact_id, looking for meetings, calendar events, emails, documents. Return day-by-day summary.
+   - **Threaded Conversations**: Launch **one subagent per day** (Sunday through today). Each subagent should:
+     1. Query `dataindex_query_entities` for entity_type `threaded_conversation` for that specific day with my contact_id
+     2. For each conversation found, fetch all `conversation_message` entities using the conversation ID as parent_id filter
+     3. Return messages I participated in with context
+   - **Gitea**: Launch one subagent to run `~/bin/gitea-activity -s START -e END` and extract commits, PRs (opened/merged/approved), and repositories worked on
+4. **Query dataindex directly** for the full week as backup to ensure nothing is missed
+
+**Build the checkout with this structure:**
+
+```
+# Weekly Review: [Date Range]
+
+## Objectives
+- List 2-3 high-level goals for the week based on the main themes of work
+
+****Major Achievements****
+- Bullet points of concrete deliverables, grouped by theme
+- Focus on shipped features, solved problems, infrastructure built
+
+****Code Activity****
+- Stats line: X commits across Y repositories, Z PRs total (N merged, M open)
+- **New Repositories**: `[name](url)` - brief description
+- **Pull Requests Merged**: `[#N Title](url)` - one per line with descriptive title
+- **Pull Requests Opened (not merged)**: `[#N](url)` - include status if known (approved, draft, etc.)
+
+****Team Interactions****
+- **Meeting Type (Nx)**: Brief description of purpose/outcome
+  With: Key participants
+- **Notable conversations**: Date, participants, main subject discussed
+```
+
+**Rules:**
+- Use `****Title****` format for section headers (not ##)
+- All PRs and repositories must be markdown links `[name](url)`
+- List merged PRs first, then open/unmerged ones
+- Only include meaningful interactions (skip routine standups unless notable decisions made)
+- No "who am I" header, no summary section at the end
+- Focus on outcomes and business value, not just activity volume