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Add cursor-implementer: third lane running Composer 2.5 via cursor-agent - #7

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Add cursor-implementer: third lane running Composer 2.5 via cursor-agent#7
abullaisi wants to merge 1 commit into
DannyMac180:mainfrom
abullaisi:feat/cursor-implementer-lane

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Adds a third implementation lane alongside grok and codex: Composer 2.5 via the Cursor CLI (cursor-agent, headless print mode). Positioned as overflow / third model family: when the grok lane is down or rate-limited and the task doesn't warrant codex's reasoning premium, or when the architect wants three independent diffs to race.

Mirrors the existing implementer contract: five-part spec in, mktemp prompt file, pinned model, portable timeout, independent re-verification, structured CURSOR REPORT out, STATUS: unavailable instead of silent fallback.

cursor-agent specifics handled:

  • -p --output-format text --model composer-2.5 pinned; -f is required for headless edits and force-allows commands (blunter than codex's workspace sandbox) — so the agent snapshots git status before running and takes only bounded, well-specified tasks
  • no --cwd flag exists; the agent runs from the repo root

Validated end-to-end on macOS (cursor-agent 2026.05.24): same five-part spec as the grok/codex lanes on a fixture repo — clean single-file diff, output matched precomputed ground truth, tail-flag regression intact, cursor's claims matched my independent re-run.

Files: agents/cursor-implementer.md (new), README lane table + requirements bullet, orchestration skill lane table. Left plugin.json (description/keywords/version) untouched for you to own.

🤖 Generated with Claude Code

Overflow / third-model-family lane alongside grok and codex. Mirrors the
existing implementer contract: five-part spec in, headless run, independent
re-verification, structured CURSOR REPORT out.

cursor-agent specifics handled: -p print mode, --model composer-2.5 pinned,
-f required for headless edits (blunter than codex's workspace sandbox, so
the agent snapshots git status first and takes only bounded tasks), no --cwd
flag (runs from the repo root), portable timeout.

Validated end-to-end on macOS (cursor-agent 2026.05.24): same five-part spec
as the grok/codex lanes on a fixture repo; clean single-file diff, output
matched precomputed ground truth, no regression, claims matched the re-run.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
chiptuned added a commit to chiptuned/fable-advisor that referenced this pull request Jul 15, 2026
chiptuned added a commit to chiptuned/fable-advisor that referenced this pull request Jul 15, 2026
…ward parallel dispatch

- Revert PR DannyMac180#7 (cursor-implementer) and PR DannyMac180#6 (Smithers workflow): unused here, cursor-agent not installed
- Orchestration doctrine: throughput promoted to co-prime directive with cost
- New 'dispatch early, never idle' rule; anti-inline-edit batching guidance; grok lane idle = routing failure
- Bump to 3.3.0

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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