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Michal a869f77070 merge: AgentProject membership — the junction is now load-bearing

Merges feat/agent-project-membership (task 166/152). An agent can finally join
many projects: membership routes, per-membership role and optional brain
override, chat resolving context from the membership, and CLI attach-agent /
detach-agent / get memberships. The legacy Agent.projectId fallback is kept for
this release as the schema comment promises.

Conflict resolved in main.ts: that branch added its RBAC case to
mapUrlToPermission inline, while this branch had extracted the function to
middleware/url-permission.ts so it could be tested. Kept the extraction and
ported the case into it — joining a team is `edit:agents:<name>`, not
`create:agents`, which is the authority to mint a whole agent.

Also fixes something the extraction makes possible. security.test.ts contained a
hand-copied reproduction of mapUrlToPermission, because main.ts self-invokes
main() and nothing in it was importable. A security test asserting against a
copy stops testing the system the moment the real one changes, and this copy had
already drifted. It now imports the real function; all 18 assertions still pass,
against the code that actually runs.

Local: build clean, workspace 2550 passed, lint unchanged at 794 errors.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01N4wNHWf7xSwnZCWpJcyv9p

2026-08-09 23:34:18 +01:00

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Task ID: 45

Title: Implement tag-matching algorithm for prompt selection

Status: done

Dependencies: 44 ✓

Priority: high

Description: Create a deterministic keyword-based tag matching algorithm as the no-LLM fallback for prompt selection, with byte-budget allocation and priority weighting.

Details:

Create /src/mcplocal/src/services/tag-matcher.service.ts:

interface MatchedPrompt {
  prompt: PromptIndex;
  score: number;
  matchedTags: string[];
}

export class TagMatcherService {
  constructor(private byteBudget: number = 8192) {}

  matchPrompts(tags: string[], promptIndex: PromptIndex[]): {
    fullContent: PromptIndex[];    // Prompts to include in full
    indexOnly: PromptIndex[];      // Prompts to include as index entries
    remaining: PromptIndex[];      // Non-matched prompts (names only)
  } {
    // 1. Priority 10 prompts: always included (score = Infinity)
    // 2. For each prompt, compute score:
    //    - Check tags against summary + chapters (case-insensitive substring)
    //    - score = matching_tags_count * priority
    // 3. Sort by score descending
    // 4. Fill byte budget from top:
    //    - Include full content until budget exhausted
    //    - Remaining matched: include as index entries
    //    - Non-matched: names only
  }

  private computeScore(tags: string[], prompt: PromptIndex): number {
    if (prompt.priority === 10) return Infinity;
    const matchingTags = tags.filter(tag => 
      this.matchesPrompt(tag.toLowerCase(), prompt)
    );
    return matchingTags.length * prompt.priority;
  }

  private matchesPrompt(tag: string, prompt: PromptIndex): boolean {
    const searchText = [
      prompt.summary || '',
      ...(prompt.chapters || [])
    ].join(' ').toLowerCase();
    return searchText.includes(tag);
  }
}

Handle edge cases: empty tags, no prompts, all priority 10, etc.

Test Strategy:

Unit test: Priority 10 prompts always included regardless of tags
Unit test: Score calculation: matching_tags * priority
Unit test: Case-insensitive matching
Unit test: Substring matching in summary and chapters
Unit test: Byte budget exhaustion stops full content inclusion
Unit test: Matched prompts beyond budget become index entries
Unit test: Non-matched prompts listed as names only
Unit test: Sorting by score descending
Unit test: Empty tags returns priority 10 only
Unit test: No prompts returns empty result

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Task ID: 45

2.5 KiB

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