feat(code-review-council): narrate coordinator progress in the session log

[St0rmz1]

Summary

Adds progress instructions to the code review council coordinator prompt so the session log reports when the council starts, when each specialist begins, when all specialists have responded, and when the council is complete. The startup message includes the specialist count, specialist names, and formatted governance strategy.

Adds unit coverage for the expected coordinator status messages.

Verification

• No manual verification details are currently available. This change only updates the generated coordinator instructions.

Visual Changes

N/A

Reviewer Notes

The progress messages are emitted around specialist delegation and aggregation without changing the final council result manifest contract.

[kilo-code-bot]

Code Review Summary

Status: No Issues Found | Recommendation: Merge

Executive Summary

Reviewed the additive council-coordinator progress-narration prompt text and its accompanying test; no bugs, security issues, or breaking changes found in the changed lines.

Files Reviewed (2 files)

• apps/web/src/lib/code-reviews/prompts/council-prompt.ts
• apps/web/src/lib/code-reviews/prompts/council-prompt.test.ts

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_{Review guidance: REVIEW.md from base branch main}