feat(ultraplan-local): v1.6.0 — /ultraresearch-local deep research command

Add /ultraresearch-local for structured research combining local codebase
analysis with external knowledge via parallel agent swarms. Produces research
briefs with triangulation, confidence ratings, and source quality assessment.

New command: /ultraresearch-local with modes --quick, --local, --external, --fg.
New agents: research-orchestrator (opus), docs-researcher, community-researcher,
security-researcher, contrarian-researcher, gemini-bridge (all sonnet).
New template: research-brief-template.md.

Integration: --research flag in /ultraplan-local accepts pre-built research
briefs (up to 3), enriches the interview and exploration phases. Planning
orchestrator cross-references brief findings during synthesis.

Design principle: Context Engineering — right information to right agent at
right time. Research briefs are structured artifacts in the pipeline:
ultraresearch → brief → ultraplan --research → plan → ultraexecute.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

tests/fixtures/healthy-project/.claude/rules/typescript.md

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+---
+paths: src/**/*.ts
+---
+
+# TypeScript Rules
+Use strict TypeScript. No `any` types.

tests/fixtures/healthy-project/.claude/settings.json

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+{
+  "$schema": "https://json.schemastore.org/claude-code-settings.json",
+  "permissions": {
+    "allow": ["Bash(npm run *)"],
+    "deny": ["Read(./.env)"]
+  }
+}

tests/fixtures/healthy-project/.claude/shared.md

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+# Shared Configuration
+
+Common patterns and conventions shared across the project.
+
+## Naming Conventions
+- Use camelCase for variables and functions
+- Use PascalCase for classes and types

tests/fixtures/healthy-project/.mcp.json

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+{
+  "mcpServers": {
+    "memory": {
+      "type": "stdio",
+      "command": "npx",
+      "args": ["-y", "@modelcontextprotocol/server-memory"],
+      "trust": "workspace"
+    },
+    "filesystem": {
+      "type": "stdio",
+      "command": "npx",
+      "args": ["-y", "@modelcontextprotocol/server-filesystem", "./docs"],
+      "trust": "trusted"
+    }
+  }
+}

tests/fixtures/healthy-project/CLAUDE.md

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+# My Project
+
+## Overview
+A sample project for testing config-audit scanners.
+
+## Commands
+- `npm run build` — Build the project
+- `npm test` — Run tests
+
+## Architecture
+Standard Node.js project structure.
+
+## Conventions
+- TypeScript preferred
+- Conventional commits
+
+@.claude/shared.md

tests/fixtures/healthy-project/hooks/hooks.json

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+{
+  "hooks": {
+    "PreToolUse": [
+      {
+        "matcher": "Bash",
+        "hooks": [
+          {
+            "type": "command",
+            "command": "echo ok",
+            "timeout": 5000
+          }
+        ]
+      }
+    ]
+  }
+}

tests/fixtures/healthy-project/src/index.ts

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+export {};