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- Add subagent completion callback to notify user when subagent finishes
- Show tool name in 'view trace' link (e.g. 'view web_search trace')
- Pretty-print JSON on trace web page using aeson-pretty
Amp-Thread-ID: https://ampcode.com/threads/T-019b3a13-bc75-7368-9ec9-362d462a022c
Co-authored-by: Amp <amp@ampcode.com>
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- Add SQLite storage for tool traces (Omni/Ava/Trace.hs)
- Add web server to serve trace viewer (Omni/Ava/Web.hs)
- Add HTML/CSS/JS trace viewer UI (Omni/Ava/Web/trace.html)
- Integrate trace storage into Engine.hs tool execution callback
- Add trace links to Telegram responses when AVA_WEB_URL is set
- Configure Tailscale Funnel for public access
- Fix pre-push hook variable scope bug
- Add direnv, bash, nix to Ava service PATH
- Add mustache dep to Ava.hs for template rendering
Epic: t-272
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- Telegram.hs: add loadTelegramSystemPrompt with fallback
- Subagent.hs: add loadSystemPromptForRole with fallback
- Coder.hs: add loadCoderSystemPrompt with fallback
- Ava.nix: add tmpfiles rules for /home/ava/prompts/
- Prompts.hs: fix test to expect .mustache extension
Templates loaded at runtime from $AVA_DATA_ROOT/prompts/.
Falls back to hardcoded prompts if templates not found.
Amp-Thread-ID: https://ampcode.com/threads/T-019b3878-73be-77ec-97cc-d092a28d211e
Co-authored-by: Amp <amp@ampcode.com>
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The coder role no longer requires task_id, only namespace.
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Remove task_id requirement and all jr task CLI calls. The Coder subagent
now only requires namespace and task description - no external task
tracking needed.
Changes:
- Remove coderTaskId from CoderConfig
- Remove jr task show/update/comment calls
- Commit message uses namespace prefix instead of task ID
- Recovery phase just reverts git, no task comment
- Subagent.hs only validates namespace for Coder role
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Security improvement: subagents now require explicit user confirmation via
Telegram inline buttons, preventing the agent from bypassing approval.
Changes:
- Add InlineKeyboardMarkup, InlineKeyboardButton, CallbackQuery types
- Add parseCallbackQuery for handling button presses
- Add sendMessageWithKeyboard and answerCallbackQuery API functions
- Add PendingSpawn registry for tracking unconfirmed spawn requests
- Add spawnSubagentToolWithApproval that sends approval buttons
- Add handleCallbackQuery to process approve/reject button clicks
- Add approveAndSpawnSubagent and rejectPendingSpawn functions
Flow:
1. Agent calls spawn_subagent → creates pending request
2. User receives message with ✅ Approve / ❌ Reject buttons
3. Button click (outside agent loop) spawns or cancels
4. Pending requests expire after 10 minutes
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- Add global subagent registry to track running handles by ID
- Modify executeSpawnSubagent to use spawnSubagentAsync and return immediately
- Add check_subagent tool for querying status or getting results
- Export subagentTools convenience function with both tools
- Update Telegram.hs to use subagentTools instead of just spawnSubagentTool
Ava can now spawn subagents in the background and continue
conversations while checking on progress via check_subagent.
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Based on Anthropic's effective harnesses research.
New modules:
- Omni/Agent/AuditLog.hs: JSONL audit logging with SubagentId linking
- Omni/Agent/Tools/AvaLogs.hs: Tool for Ava to query her own logs
- Omni/Agent/Subagent/HARDENING.md: Design documentation
Key features:
- SubagentHandle with TVar status for async execution and polling
- spawnSubagentAsync, querySubagentStatus, waitSubagent, cancelSubagent
- User confirmation: spawn_subagent requires confirmed=true after approval
- Audit logs stored in $AVA_DATA_ROOT/logs/{ava,subagents}/
- CLI: ava logs [--last=N] [<subagent_id>]
- read_ava_logs tool for Ava self-diagnosis
Tasks: t-267, t-268, t-269, t-270, t-271
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Enables orchestrator to spawn specialized subagents for focused tasks:
- WebCrawler: web search + page reading (haiku, fast)
- CodeReviewer: code analysis tools (sonnet, thorough)
- DataExtractor: structured data extraction (haiku)
- Researcher: combined web + codebase research (sonnet)
Key features:
- spawn_subagent tool with role-based tool selection
- Per-subagent resource limits (timeout, cost, tokens)
- Structured output with citations (claim, source_url, quote)
- Separate API keys for OpenRouter vs Kagi
- Efficiency-focused system prompts
Defaults: 200k tokens, $1.00 cost cap, 600s timeout, 20 iterations
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