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+---
+description: Audit data integrity, schema validity, and dbt compliance
+arguments:
+  - name: path
+    description: File, directory, or dbt project to audit
+    required: true
+---
+
+# /data-review
+
+Comprehensive data integrity audit producing a detailed report with findings at all severity levels. For human review and standalone codebase auditing.
+
+## Usage
+
+```
+/data-review <path>
+```
+
+**Examples:**
+```
+/data-review ./dbt/
+/data-review ./portfolio_app/toronto/
+/data-review ./dbt/models/marts/
+```
+
+## What It Does
+
+1. **Activates** the `data-advisor` agent in review mode
+2. **Scans target path** to determine scope:
+   - Identifies dbt project files (.sql models, schema.yml, sources.yml)
+   - Identifies Python files with database operations
+   - Identifies migration files
+   - Identifies PostGIS usage
+3. **Runs all check categories:**
+   - Schema validity (PostgreSQL tables, columns, types)
+   - dbt project health (parse, compile, test, lineage)
+   - PostGIS compliance (SRID, geometry types, extent)
+   - Data type consistency
+   - Code patterns (unsafe SQL, hardcoded queries)
+4. **Produces detailed report** with all severity levels (FAIL, WARN, INFO)
+5. **Provides actionable recommendations** for each finding
+
+## Output Format
+
+```
++----------------------------------------------------------------------+
+|  DATA-PLATFORM - Data Integrity Audit                                 |
+|  /path/to/project                                                     |
++----------------------------------------------------------------------+
+
+Target: /path/to/project
+Scope: N files scanned, N models checked, N tables verified
+
+FINDINGS
+
+FAIL (N)
+  1. [location] violation description
+     Fix: actionable fix
+
+WARN (N)
+  1. [location] warning description
+     Suggestion: improvement suggestion
+
+INFO (N)
+  1. [location] info description
+     Note: context
+
+SUMMARY
+  Schema:   Valid | N issues
+  Lineage:  Intact | N orphaned
+  dbt:      Passes | N failures
+  PostGIS:  Valid | N issues | Not applicable
+
+VERDICT: PASS | FAIL (N blocking issues)
+```
+
+## When to Use
+
+### Before Sprint Planning
+Audit data layer health to identify tech debt and inform sprint scope.
+```
+/data-review ./dbt/
+```
+
+### During Code Review
+Get detailed data integrity findings alongside code review comments.
+```
+/data-review ./dbt/models/staging/stg_new_source.sql
+```
+
+### After Migrations
+Verify schema changes didn't break anything downstream.
+```
+/data-review ./migrations/
+```
+
+### Periodic Health Checks
+Regular data infrastructure audits for proactive maintenance.
+```
+/data-review ./data_pipeline/
+```
+
+### New Project Onboarding
+Understand the current state of data architecture.
+```
+/data-review .
+```
+
+## Severity Levels
+
+| Level | Meaning | Gate Impact |
+|-------|---------|-------------|
+| **FAIL** | Blocking issues that will cause runtime errors | Would block `/data-gate` |
+| **WARN** | Quality issues that should be addressed | Does not block gate |
+| **INFO** | Suggestions for improvement | Does not block gate |
+
+## Differences from /data-gate
+
+`/data-review` gives you the full picture. `/data-gate` gives the orchestrator a yes/no.
+
+| Aspect | /data-gate | /data-review |
+|--------|------------|--------------|
+| Output | Binary PASS/FAIL | Detailed report |
+| Severity | FAIL only | FAIL + WARN + INFO |
+| Purpose | Automation | Human review |
+| Verbosity | Minimal | Comprehensive |
+| Speed | Fast (skips INFO) | Thorough |
+
+Use `/data-review` when you want to understand.
+Use `/data-gate` when you want to automate.
+
+## Requirements
+
+- data-platform MCP server must be running
+- For dbt checks: dbt project must be configured (auto-detected via `dbt_project.yml`)
+- For PostgreSQL checks: connection configured in `~/.config/claude/postgres.env`
+
+**Graceful degradation:** If database or dbt unavailable, applicable checks are skipped with a note in the report rather than failing entirely.
+
+## Skills Used
+
+- `skills/data-integrity-audit.md` - Audit rules and patterns
+- `skills/mcp-tools-reference.md` - MCP tool reference
+
+## Related Commands
+
+- `/data-gate` - Binary pass/fail for automation
+- `/lineage` - Visualize dbt model dependencies
+- `/schema` - Explore database schema