pr-convergence

[arul28]

Note

Medium Risk
Adds new persisted PR convergence runtime state (new DB table + IPC surface) and rewires the PR “Path to Merge” workflow to use it, which can affect automated polling/auto-merge behavior and state transitions. Risk is moderate due to schema migration/retrofit and new orchestration entrypoints that start/stop agent sessions.

Overview
Adds a persisted PR convergence runtime state alongside the existing issue inventory/pipeline settings, including a new pr_convergence_state table, CRUD IPC handlers, preload APIs, and wiring through agentChatService/MCP deps.

Reworks the PR detail experience to replace the modal convergence panel with a dedicated Path to Merge tab + header banner, driving auto-converge polling, pause/stop/resume, and auto-merge decisions from the persisted convergence state.

Extends issueInventoryService to track latest review-thread reply metadata, reopen/fix items based on thread changes/resolution, auto-fix cleared failing checks, and persist/reset convergence runtime; adds CTO operator tools to read/update convergence settings and to start/stop convergence rounds via chat workflows (with accompanying test coverage).

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Summary by CodeRabbit

• New Features

  • Persistent PR convergence tab: start/stop rounds, view agent sessions, auto-converge phases, pipeline/runtime settings, save/load/reset, and richer waiting/session banners.
  • Issue inventory now shows review-thread metadata and latest-comment details.
  • Rebase UX: “Stack attention” view and upstream-chain summaries.
  • Homepage updates: new "Also built in" features and refreshed hero visuals.
  • Import-branch warning when creating lanes.

• Bug Fixes / UX

  • Improved autoscroll during streaming and deduplicated repeated status messages.
  • Stronger prompt/tool preflight and clearer stop/resume controls for convergence.