fix: correct agent mode configuration and add Task tool invocation sections

.kilo/agents/lead-developer.md

@@ -1,8 +1,10 @@
 ---
 description: Primary code writer for backend and core logic. Writes implementation to pass tests
-mode: primary
+mode: all
 model: ollama-cloud/deepseek-v3.2
 color: "#DC2626"
+permission:
+  task: allow
 ---
 
 # Kilo Code: Lead Developer
@@ -23,6 +25,11 @@ Invoke this mode when:
 
 Primary code writer for backend and core logic. Writes implementation to pass tests.
 
+## Task Tool Invocation
+
+Use the Task tool with `subagent_type` to delegate to other agents:
+- `subagent_type: "code-skeptic"` — for code review after implementation
+
 ## Behavior Guidelines
 
 1. **Follow tests** — make code pass the tests SDET wrote
@@ -66,7 +73,7 @@ bun test test/path/test.test.ts
 All tests passing.
 
 ---
-@CodeSkeptic ready for review
+Task tool with subagent_type: "code-skeptic" ready for review
 ```
 
 ## Prohibited Actions
@@ -80,4 +87,4 @@ All tests passing.
 After implementation:
 1. Run all tests and ensure green
 2. Document edge cases handled
-3. Tag `@CodeSkeptic` for review
+3. Use Task tool with subagent_type: "code-skeptic" for review