feat(#369): install @mosaicstack/telemetry-client in API

- Add .npmrc with scoped Gitea npm registry for @mosaicstack packages
- Create MosaicTelemetryModule (global, lifecycle-aware) at
  apps/api/src/mosaic-telemetry/
- Create MosaicTelemetryService wrapping TelemetryClient with
  convenience methods: trackTaskCompletion, getPrediction,
  refreshPredictions, eventBuilder
- Create mosaic-telemetry.config.ts for env var integration via
  NestJS ConfigService
- Register MosaicTelemetryModule in AppModule
- Add 32 unit tests covering module init, service methods, disabled
  mode, dry-run mode, and lifecycle management

Refs #369

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

pnpm-lock.yaml

@@ -66,6 +66,9 @@ importers:
       '@mosaic/shared':
         specifier: workspace:*
         version: link:../../packages/shared
+      '@mosaicstack/telemetry-client':
+        specifier: ^0.1.0
+        version: 0.1.0
       '@nestjs/axios':
         specifier: ^4.0.1
         version: 4.0.1(@nestjs/common@11.1.12(class-transformer@0.5.1)(class-validator@0.14.3)(reflect-metadata@0.2.2)(rxjs@7.8.2))(axios@1.13.5)(rxjs@7.8.2)
@@ -1500,6 +1503,9 @@ packages:
   '@mermaid-js/parser@0.6.3':
     resolution: {integrity: sha512-lnjOhe7zyHjc+If7yT4zoedx2vo4sHaTmtkl1+or8BRTnCtDmcTpAjpzDSfCZrshM5bCoz0GyidzadJAH1xobA==}
 
+  '@mosaicstack/telemetry-client@0.1.0':
+    resolution: {integrity: sha512-j78u9QDIAhTPzGfi9hfiM1wIhw9DUsjshGQ8PrXBdMcp22hfocdmjys4VwwvGiHYTn45um9rY04H4W1NdCaMiA==, tarball: https://git.mosaicstack.dev/api/packages/mosaic/npm/%40mosaicstack%2Ftelemetry-client/-/0.1.0/telemetry-client-0.1.0.tgz}
+
   '@mrleebo/prisma-ast@0.13.1':
     resolution: {integrity: sha512-XyroGQXcHrZdvmrGJvsA9KNeOOgGMg1Vg9OlheUsBOSKznLMDl+YChxbkboRHvtFYJEMRYmlV3uoo/njCw05iw==}
     engines: {node: '>=16'}
@@ -7732,6 +7738,8 @@ snapshots:
     dependencies:
       langium: 3.3.1
 
+  '@mosaicstack/telemetry-client@0.1.0': {}
+
   '@mrleebo/prisma-ast@0.13.1':
     dependencies:
       chevrotain: 10.5.0