feat: Helm chart values.schema.json generated from backend config schemas

.github/workflows/Check-config-schema.yml

@@ -46,3 +46,25 @@ jobs:
       - name: Config file validation
         run: make check-config-files
         working-directory: apps/${{ matrix.app }}
+
+  check-chart-schema:
+    name: "Helm chart values schema"
+    runs-on: ubuntu-latest
+    needs: check-config
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-python@v5
+        with:
+          python-version: "3.12"
+
+      - uses: astral-sh/setup-uv@v5
+
+      - name: Install inline script dependencies
+        run: uv pip install --system "jsonschema>=4.0,<5" "pyyaml>=6.0"
+
+      - name: Chart schema drift check
+        run: make check-chart-schema-drift
+
+      - name: Chart values validation
+        run: make check-chart-values

Makefile

@@ -211,6 +211,7 @@ db-check-combined-postgres: db-check-combined-postgres-down db-check-combined-po
 	$(MAKE) db-check-combined-postgres-down
 
 include scripts/makefiles/help.mk
+include scripts/makefiles/chart-schema.mk
 
 # =============================================================================
 # k3d local deployment

apps/knowledge-flow-backend/config/schema/configuration.schema.json

@@ -812,6 +812,34 @@
           "description": "Expose agent filesystem utils endpoints and the corresponding MCP server.",
           "title": "Filesystem Enabled",
           "type": "boolean"
+        },
+        "filesystem_read_default_limit": {
+          "default": 100,
+          "description": "Default line count returned by filesystem read_file when callers omit limit.",
+          "minimum": 1,
+          "title": "Filesystem Read Default Limit",
+          "type": "integer"
+        },
+        "filesystem_read_max_limit": {
+          "default": 500,
+          "description": "Absolute maximum line count accepted by filesystem read_file.",
+          "minimum": 1,
+          "title": "Filesystem Read Max Limit",
+          "type": "integer"
+        },
+        "filesystem_read_default_max_chars": {
+          "default": 20000,
+          "description": "Default maximum character count returned by filesystem read_file when callers omit max_chars.",
+          "minimum": 1,
+          "title": "Filesystem Read Default Max Chars",
+          "type": "integer"
+        },
+        "filesystem_read_absolute_max_chars": {
+          "default": 50000,
+          "description": "Absolute maximum character count accepted by filesystem read_file.",
+          "minimum": 1,
+          "title": "Filesystem Read Absolute Max Chars",
+          "type": "integer"
         }
       },
       "title": "MCPConfig",