fix: improve Steward delegation instructions for Librarian

- Update Librarian capability description to highlight CREATE/UPDATE/SEARCH
- Add specific Steward guidelines for wiki creation, updates, and research
- Add dynamic time injection to user prompts for temporal awareness
- Expand domains to include 'create', 'write', 'update'
- Update test to match new capability description

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

src/agents/steward/agent.py

@@ -48,7 +48,7 @@ AVAILABLE HOUSEHOLD CAPABILITIES:
 {capabilities_text}
 
 YOUR TASK:
-Analyze the user's query and recommend which capabilities are needed.
+Analyze the user's query and recommend which capabilities are needed, with specific delegation instructions.
 {history_text}
 
 USER QUERY: {query}
@@ -57,18 +57,22 @@ GUIDELINES:
 - Be conservative - only recommend truly necessary capabilities
 - Simple greetings/chat → no capabilities needed (conversational response only)
 - Math/calculations → tatlock_core
-- Web searches → tatlock_core
+- Quick web searches → tatlock_core
 - Time/date queries → tatlock_core
+- Wiki creation ("create a page about X", "add X to wiki") → librarian with smart_create
+- Wiki updates ("update the page", "add to dossier") → librarian with update
+- Research queries ("find info", "what do we know about", "search for") → librarian with hybrid_search
+- In-depth research, knowledge synthesis, document lookup → librarian with hybrid_search
 - If conversation history is relevant, note which previous turns matter
 - Assess complexity: simple (1 tool), moderate (2-3 tools), complex (multiple steps)
-- If capabilities are missing, mention what would be needed
 
-RESPOND WITH 2-3 SENTENCES:
-1. Which capabilities (if any) are needed and why
-2. Complexity assessment (simple/moderate/complex)
-3. Any conversation context or missing capabilities
+RESPOND WITH 2-4 SENTENCES:
+1. Capability needed: name the capability and the specific action (e.g., "librarian to create a wiki page about CI/CD using smart_create")
+2. Reason: brief explanation of why this capability handles the request
+3. Complexity assessment (simple/moderate/complex)
+4. Any relevant conversation context
 
-Use capability names in your response (e.g., "tatlock_core for calculations").
+Be specific about what Tatlock should delegate - include the action verb (create, update, search, etc.).
 Plain text only - no JSON, no special formatting."""