feat(automode): Plan 4 — episode ledger (SQLite)

[Ecko95]

Plan 4 of the autonomous-toggle roadmap. Persists a per-landed-slice episode so a brain (Motoko) / cockpit can rehydrate what each autonomous run did, without reading transcripts. Plan: docs/superpowers/plans/2026-06-21-automode-episode-ledger.md.

What this does

On each landed slice (driver done-path, after completeGoal), records an episode capturing the verifier-critic output: verdict, confidence, recommendation, flagged, summary, the goal id/title/repo, slice branch, and the full GitsReviewResult as JSON for lossless rehydrate. Exposes record_episode + list_episodes({ repo?, limit? }) (newest-first).

Surfaces

• Migration 032 → automode_episodes table in the shared state.sqlite (with repo + goal_id indexes).
• AutomodeEpisodeLedger service + layer in persistence/ (mirrors ProviderSessionRuntimeRepository): SqlSchema insert/list, review as JSON TEXT, flagged as 0/1 INTEGER (explicit bool↔int, no Schema.transform precedent in repo).
• Driver wiring: ledger-write is non-fatal (wrapped in Effect.catch → logWarning; the slice already landed).

Design decisions (2026-06-21 checkpoint)

• Shared state.sqlite + repo column (not a separate per-project DB; stateDir is global until Plan 7 adds per-project keying).
• Write + read-back (ledger is useless without reads).
• One row per landed slice, success path only; PR url not on the episode (per-run, joined via repo if needed).

Verification

• Server typecheck 0 errors; 95 targeted tests pass (ledger round-trip incl. JSON + flagged + repo filter + newest-first; driver records on land; boot tests); lint 0 errors.
• Known pre-existing red on gits, unrelated to this PR: @t3tools/mobile typecheck fails on visualPlans (from PR feat(visual-plan): native builder.io visual-plan replica — Phase 1 (all 3 providers) #30). This PR touches only server/persistence; being fixed separately.

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