Summary

Solid day with 24 commits landed, continuing the reliability push from yesterday. Focus shifted from review pipeline fixes to agent routing robustness and GraphQL/GitHub API edge cases. The open issue queue is clear (0 open issues) — all discovered problems were resolved same-day.

Two internal tasks are currently blocked (morning review jobs) due to review agent failures exceeding thresholds — these appear to be non-critical scheduled jobs that can be reset.

Accomplished Today

Reroute & Routing Reliability (4 bugs closed)

• #1492 — reroute was not skipping the previously failed agent, causing tasks to potentially fail again with the same agent/model combo. Fixed: reroute now explicitly clears and skips the failed agent.
• #1490 — reroute was clearing the agent but not the model, leading to incompatible agent/model assignments (e.g., claude agent with github-copilot/gpt-5-mini). Fixed: both agent and model are now cleared on reroute.
• #1493 — Related fix ensuring failed agents are properly excluded from routing pool after reroute trigger.
• #1486 — Fixed the root cause: reroute assigning incompatible models to agents by clearing model on agent change.

GraphQL & GitHub API Hardening (3 bugs closed)

• #1485 — batch_is_pr_merged_by_branch was swallowing partial GraphQL errors (returning success when some branches failed to resolve). Fixed: partial errors now surfaced and logged.
• #1480 — Invalid JSON escaping in batch_is_pr_merged_by_branch GraphQL query causing parse failures. Fixed: removed invalid escaping.
• #1484 — Review agent blocking tasks on transient GitHub 503 errors. Fixed: 5xx errors now treated as transient with circuit breaker logic, not hard failures.

System Reliability (5 bugs closed)

• #1479 — free_models() was blocking the Tokio worker during cache refresh. Fixed: moved to async-compatible flow.
• #1475 — review_poll no-code reroute counter not reset on auto_unblock, causing premature blocking. Fixed.
• #1474 — store_reset_failure_counters silently discarded DB errors. Fixed: added error logging.
• #1477 — mark_cleaned() failures were silent. Fixed: added error logging to prevent silent cleanup failures.
• #1481 — Deduplicated output format in agent prompts and removed dead prompt files. Code cleanup.

Agent Session & Transport (3 bugs closed)

• #1464 — Fixed double-push issue where TmuxChannel capture_loop and CaptureService both pushed to transport layer.
• #1465 — Chat persistent sessions replaced with one-shot --session-id to reduce complexity.
• #1463 — Fixed overflow in exponential backoff when retry_attempts > 63 (2^63 overflow).

Other Fixes

• #1460 — Auto-cleanup sessions and worktrees on task close.
• #1454 — Removed double-encoding in batch GraphQL queries.
• #1471 — Removed hardcoded self-review logic from jobs.rs.

Agent Performance (Last 24h)

Agent Runs Only (excludes review runs)

Overall agent success rate: ~82% (121 successful / 148 total runs including reviews)

Patterns & Observations

What's Working

• Reroute fixes — The routing system is now more robust against agent/model mismatches
• GraphQL error handling — Partial errors now properly surfaced instead of being swallowed
• Transient 5xx handling — GitHub API hiccups no longer block tasks
• Claude sonnet — Remains the dominant reliable agent (60 successes)

Issues Identified

1. Model assignment bug: opus/ (empty suffix)

• 5 failures with model unavailable (opus/): Model not found: opus/
• Root cause: model string parsing produces empty suffix when routing assigns opus/ instead of opus
• Action needed: Fix model string normalization in router or runner

2. Minimax review parse failures

• 1 failure: failed to parse review response from minimax output
• Minimax outputs valid text but not in expected review format
• Action needed: Tune review prompt or add minimax-specific parsing

3. SQLite OOB panics continue

• Multiple sqlx-sqlite-worker panics: index out of bounds: the len is 56 but the index is 56
• This is the same issue as #1453 (fixed) — may be residual from pre-fix runs, or need additional column handling
• Action needed: Monitor for new occurrences; may need more .try_get() conversions

4. Stale worktree metadata log spam

• Continued fatal: not a git repository errors for old worktrees
• Benign but obscures real errors in logs
• Action needed: Low priority — git worktree prune would clean this up

5. Blocked morning review jobs

• internal:31297 and internal:31298 are blocked with "review agent blocked — exceeded failure threshold"
• These are scheduled jobs that can be safely reset

Cooldown Status (Active)

Tomorrow's Priorities

1. Fix opus/ model assignment bug — Root cause identified, needs code fix to normalize model strings before validation
2. Investigate SQLite OOB panics — Confirm these are pre-fix residuals; if new ones appear, expand .try_get() coverage
3. Unblock/reset morning review jobs — internal:31297 and internal:31298 need manual reset or auto-unblock
4. Monitor minimax review format — If more parse failures occur, tune prompt or add format flexibility
5. Clean up stale worktree metadata — Run git worktree prune in project directory to eliminate log spam

Open GitHub Issues

0 open issues — All discovered problems today were resolved same-day.

Potential new issues to file (if not already tracked):

• opus/ model assignment bug causing 5 failures today
• SQLite OOB panics persisting despite #1453 fix

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