a869f77070
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
68 lines
2.0 KiB
Markdown
68 lines
2.0 KiB
Markdown
# Task ID: 73
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**Title:** Implement In-Memory CacheProvider
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**Status:** done
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**Dependencies:** 71 ✓
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**Priority:** high
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**Description:** Create the CacheProvider implementation that stages use for caching expensive computations. Start with in-memory cache for Phase 1, with content-addressed keys.
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**Details:**
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Create `src/mcplocal/src/proxymodel/cache-provider.ts`:
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```typescript
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import { createHash } from 'crypto';
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import type { CacheProvider } from './types';
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export class InMemoryCacheProvider implements CacheProvider {
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private cache = new Map<string, { value: string; timestamp: number }>();
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private maxSize: number;
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private ttlMs: number;
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constructor(options: { maxSize?: number; ttlMs?: number } = {}) {
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this.maxSize = options.maxSize ?? 1000;
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this.ttlMs = options.ttlMs ?? 3600000; // 1 hour default
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}
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hash(content: string): string {
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return createHash('sha256').update(content).digest('hex').slice(0, 16);
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}
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async get(key: string): Promise<string | null> {
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const entry = this.cache.get(key);
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if (!entry) return null;
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if (Date.now() - entry.timestamp > this.ttlMs) {
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this.cache.delete(key);
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return null;
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}
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return entry.value;
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}
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async set(key: string, value: string): Promise<void> {
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if (this.cache.size >= this.maxSize) this.evictOldest();
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this.cache.set(key, { value, timestamp: Date.now() });
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}
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async getOrCompute(key: string, compute: () => Promise<string>): Promise<string> {
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const cached = await this.get(key);
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if (cached !== null) return cached;
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const value = await compute();
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await this.set(key, value);
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return value;
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}
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private evictOldest(): void {
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const oldest = [...this.cache.entries()].sort((a, b) => a[1].timestamp - b[1].timestamp)[0];
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if (oldest) this.cache.delete(oldest[0]);
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}
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}
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```
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**Test Strategy:**
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Unit tests for: hash() produces consistent output, get() returns null for missing keys, set()/get() round-trip works, TTL expiration works, LRU eviction triggers at maxSize, getOrCompute() caches and returns cached values.
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