fix: Resolve CI typecheck failures and improve type safety

Fixes CI pipeline failures caused by missing Prisma Client generation and TypeScript type safety issues. Added Prisma generation step to CI pipeline, installed missing type dependencies, and resolved 40+ exactOptionalPropertyTypes violations across service layer.

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

.woodpecker.yml

@@ -28,21 +28,32 @@ steps:
       SKIP_ENV_VALIDATION: "true"
     commands:
       - *install_deps
-      - pnpm lint || true  # Non-blocking while fixing legacy code
+      - pnpm lint || true # Non-blocking while fixing legacy code
     depends_on:
       - install
     when:
       - evaluate: 'CI_PIPELINE_EVENT != "pull_request" || CI_COMMIT_BRANCH != "main"'
 
+  prisma-generate:
+    image: *node_image
+    environment:
+      SKIP_ENV_VALIDATION: "true"
+    commands:
+      - *install_deps
+      - pnpm --filter "@mosaic/api" prisma:generate
+    depends_on:
+      - install
+
   typecheck:
     image: *node_image
     environment:
       SKIP_ENV_VALIDATION: "true"
     commands:
       - *install_deps
+      - pnpm --filter "@mosaic/api" prisma:generate
       - pnpm typecheck
     depends_on:
-      - install
+      - prisma-generate
 
   test:
     image: *node_image
@@ -50,9 +61,10 @@ steps:
       SKIP_ENV_VALIDATION: "true"
     commands:
       - *install_deps
-      - pnpm test -- --run || true  # Non-blocking while fixing legacy tests
+      - pnpm --filter "@mosaic/api" prisma:generate
+      - pnpm test || true # Non-blocking while fixing legacy tests
     depends_on:
-      - install
+      - prisma-generate
 
   build:
     image: *node_image
@@ -61,7 +73,9 @@ steps:
       NODE_ENV: "production"
     commands:
       - *install_deps
+      - pnpm --filter "@mosaic/api" prisma:generate
       - pnpm build
     depends_on:
-      - typecheck  # Only block on critical checks
+      - typecheck # Only block on critical checks
       - security-audit
+      - prisma-generate