feat(env): add environment validation with tool detection

.github/workflows/claude-code-review.yml

@@ -12,7 +12,6 @@ on:
 
 jobs:
   claude-review:
-    if: false  # Disabled - using opencode-review.yml instead
     runs-on: ubuntu-latest
     permissions:
       contents: read

.github/workflows/opencode-review.yml

@@ -18,6 +18,7 @@ concurrency:
 
 jobs:
   opencode-review:
+    if: false  # Disabled - leaks environment variables including GITHUB_TOKEN into PR comments
     runs-on: ubuntu-latest
     timeout-minutes: 10  # Prevent hanging - kill after 10 min
     permissions:

codeframe/cli/__init__.py

@@ -307,6 +307,7 @@ def version():
 from codeframe.cli.blocker_commands import blockers_app  # noqa: E402
 from codeframe.cli.checkpoint_commands import checkpoints_app  # noqa: E402
 from codeframe.cli.discovery_commands import discovery_app  # noqa: E402
+from codeframe.cli.env_commands import env_app  # noqa: E402
 
 # Phase 2 imports
 from codeframe.cli.agents_commands import agents_app  # noqa: E402
@@ -324,6 +325,7 @@ def version():
 app.add_typer(blockers_app, name="blockers", help="Blocker resolution (list, resolve, metrics)")
 app.add_typer(checkpoints_app, name="checkpoints", help="Checkpoint management (create, restore)")
 app.add_typer(discovery_app, name="discovery", help="Discovery workflow (start, progress, answer)")
+app.add_typer(env_app, name="env", help="Environment validation and tool management")
 
 # Register Phase 2 command groups
 app.add_typer(agents_app, name="agents", help="Agent management (list, assign, remove, status)")

codeframe/cli/app.py

@@ -24,6 +24,7 @@
 # Import auth subapp for credential management
 from codeframe.cli.auth_commands import auth_app
 from codeframe.cli.pr_commands import pr_app
+from codeframe.cli.env_commands import env_app
 
 # Load environment variables from .env files
 # Priority: workspace .env > home .env
@@ -4162,6 +4163,7 @@ def templates_apply(
 app.add_typer(templates_app, name="templates")
 app.add_typer(auth_app, name="auth")
 app.add_typer(pr_app, name="pr")
+app.add_typer(env_app, name="env")
 
 
 # =============================================================================