docs(10): add research and validation strategy

.planning/phases/10-agent-capabilities/10-VALIDATION.md

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+---
+phase: 10
+slug: agent-capabilities
+status: draft
+nyquist_compliant: false
+wave_0_complete: false
+created: 2026-03-26
+---
+
+# Phase 10 — Validation Strategy
+
+> Per-phase validation contract for feedback sampling during execution.
+
+---
+
+## Test Infrastructure
+
+| Property | Value |
+|----------|-------|
+| **Framework** | pytest 8.x + pytest-asyncio (existing) |
+| **Config file** | `pyproject.toml` (existing) |
+| **Quick run command** | `pytest tests/unit -x -q` |
+| **Full suite command** | `pytest tests/ -x` |
+| **Estimated runtime** | ~45 seconds |
+
+---
+
+## Sampling Rate
+
+- **After every task commit:** Run `pytest tests/unit -x -q`
+- **After every plan wave:** Run `pytest tests/ -x`
+- **Before `/gsd:verify-work`:** Full suite must be green
+- **Max feedback latency:** 45 seconds
+
+---
+
+## Per-Task Verification Map
+
+| Task ID | Plan | Wave | Requirement | Test Type | Automated Command | File Exists | Status |
+|---------|------|------|-------------|-----------|-------------------|-------------|--------|
+| 10-xx | 01 | 1 | CAP-01 | unit | `pytest tests/unit/test_web_search.py -x` | ❌ W0 | ⬜ pending |
+| 10-xx | 01 | 1 | CAP-02,03 | unit | `pytest tests/unit/test_kb_ingestion.py -x` | ❌ W0 | ⬜ pending |
+| 10-xx | 01 | 1 | CAP-04 | unit | `pytest tests/unit/test_http_request.py -x` | ❌ W0 | ⬜ pending |
+| 10-xx | 02 | 2 | CAP-05 | unit | `pytest tests/unit/test_calendar.py -x` | ❌ W0 | ⬜ pending |
+| 10-xx | 02 | 2 | CAP-06 | unit | `pytest tests/unit/test_tool_output.py -x` | ❌ W0 | ⬜ pending |
+| 10-xx | 03 | 2 | CAP-03 | build | `cd packages/portal && npx next build` | ✅ | ⬜ pending |
+| 10-xx | 03 | 2 | CAP-07 | integration | `pytest tests/integration/test_audit.py -x` | ✅ extend | ⬜ pending |
+
+---
+
+## Wave 0 Requirements
+
+- [ ] `tests/unit/test_web_search.py` — CAP-01: Brave Search API integration
+- [ ] `tests/unit/test_kb_ingestion.py` — CAP-02,03: document chunking, embedding, search
+- [ ] `tests/unit/test_http_request.py` — CAP-04: HTTP request tool validation
+- [ ] `tests/unit/test_calendar.py` — CAP-05: Google Calendar OAuth + CRUD
+- [ ] `tests/unit/test_tool_output.py` — CAP-06: natural language tool result formatting
+- [ ] Install: `uv add pypdf python-docx python-pptx openpyxl pandas firecrawl-py youtube-transcript-api google-auth google-auth-oauthlib google-api-python-client`
+
+---
+
+## Manual-Only Verifications
+
+| Behavior | Requirement | Why Manual | Test Instructions |
+|----------|-------------|------------|-------------------|
+| Web search returns real results | CAP-01 | Requires live Brave API key | Send message requiring web search, verify results |
+| Document upload + search works end-to-end | CAP-02,03 | Requires file upload + LLM | Upload PDF, ask agent about its content |
+| Calendar books a meeting | CAP-05 | Requires live Google Calendar OAuth | Connect calendar, ask agent to book a meeting |
+| Agent response reads naturally with tool data | CAP-06 | Qualitative assessment | Chat with agent using tools, verify natural language |
+
+---
+
+## Validation Sign-Off
+
+- [ ] All tasks have `<automated>` verify or Wave 0 dependencies
+- [ ] Sampling continuity: no 3 consecutive tasks without automated verify
+- [ ] Wave 0 covers all MISSING references
+- [ ] No watch-mode flags
+- [ ] Feedback latency < 45s
+- [ ] `nyquist_compliant: true` set in frontmatter
+
+**Approval:** pending