58 lines
1.7 KiB
Markdown
58 lines
1.7 KiB
Markdown
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# Task ID: 86
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**Title:** Implement Hot-Reload for ProxyModels
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**Status:** done
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**Dependencies:** 78 ✓
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**Priority:** medium
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**Description:** Add file watching for ~/.mcpctl/proxymodels/ to automatically reload proxymodel definitions when they change.
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**Details:**
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Create `src/mcplocal/src/proxymodel/model-watcher.ts`:
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```typescript
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import { watch, FSWatcher } from 'fs';
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import { join } from 'path';
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import { readFile } from 'fs/promises';
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import { parse as parseYaml } from 'yaml';
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import { ProxyModelSchema } from './schema';
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const PROXYMODELS_DIR = join(process.env.HOME ?? '', '.mcpctl', 'proxymodels');
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let watcher: FSWatcher | null = null;
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const modelUpdateCallbacks: Set<() => void> = new Set();
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export function onModelUpdate(callback: () => void): () => void {
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modelUpdateCallbacks.add(callback);
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return () => modelUpdateCallbacks.delete(callback);
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}
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export function startModelWatcher(): void {
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if (watcher) return;
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try {
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watcher = watch(PROXYMODELS_DIR, async (eventType, filename) => {
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if (!filename || (!filename.endsWith('.yaml') && !filename.endsWith('.yml'))) return;
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console.info(`[proxymodel] Model file ${filename} changed, reloading...`);
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// Notify all subscribers to reload their models
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for (const cb of modelUpdateCallbacks) {
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try { cb(); } catch (err) { console.error('Model update callback failed:', err); }
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}
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});
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} catch {
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// Directory doesn't exist
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}
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}
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```
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Integrate with router to reload proxymodels when files change.
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**Test Strategy:**
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Integration tests: modify a proxymodel YAML and verify changes take effect, add a new proxymodel and verify it becomes available, invalid YAML logs error but doesn't crash.
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