fix: address pre-publish review issues

[joeVenner]

Summary

Addresses three issues flagged in the pre-publish code review:

1. Remove duplicate petfeeder pitfall lines (src/iotcli/skills/generator.py) — two conflicting lines (N=1–10 vs N=1–60) were present; kept the correct one.

2. Skip MCP tests when optional dep is missing (tests/test_mcp.py) — added pytest.importorskip("mcp") so the test suite passes cleanly without the [mcp] extra installed.

3. Move DeviceController after device check (src/iotcli/cli/commands/control.py) — avoids unnecessary object creation when the device name is a typo.

Test plan

• pytest -q passes (4 passed, 1 skipped)
• No hardcoded secrets or sensitive data introduced
• All changes are local, reversible, and non-breaking

🤖 Generated with Claude Code

[greptile-apps]

Greptile Summary

This PR addresses three pre-publish review issues across the CLI command layer, skill generator, and MCP test suite — all changes are small, targeted, and non-breaking.

• control.py: DeviceController instantiation is moved to after the device-not-found guard, avoiding unnecessary object creation on bad device names. The guard still lacks an explicit return after out.error(), leaving control flow implicitly reliant on sys.exit() being called inside that method.
• generator.py: Removes a duplicate, conflicting pitfall bullet for the petfeeder profile (N = 1–60 vs N = 1–10); the correct N = 1–10 entry is retained.
• test_mcp.py: Adds pytest.importorskip(\"mcp\") at module level — the standard pytest idiom to skip the entire module when the optional [mcp] extra is absent — so pytest -q passes cleanly without the extra installed.

Confidence Score: 5/5

Safe to merge — all three changes are small and correct; the one style note is non-blocking.

The three fixes are all well-scoped: the duplicate pitfall line removal is straightforward, the importorskip pattern is idiomatic pytest, and the DeviceController reordering is logically correct. The only finding is a missing explicit return after out.error(), which is a pre-existing style gap that doesn't affect current behaviour since out.error() unconditionally calls sys.exit().

No files require special attention; the mild guard note in control.py is a follow-up cleanup, not a blocker.

Important Files Changed

Filename	Overview
src/iotcli/cli/commands/control.py	Moves DeviceController instantiation after the device-not-found guard — correct intent, but the guard still lacks an explicit return, leaving the flow implicitly dependent on out.error() always calling sys.exit().
src/iotcli/skills/generator.py	Removes the conflicting duplicate petfeeder pitfall bullet (N = 1–60); the correct N = 1–10 bullet is retained.
tests/test_mcp.py	Adds pytest.importorskip("mcp") at module level — standard pytest idiom that correctly skips the entire module when the optional [mcp] extra is not installed.

Flowchart

%%{init: {'theme': 'neutral'}}%%
flowchart TD
    A[control command invoked] --> B[resolve device via cfg.get_device_or_none]
    B --> C{device found?}
    C -- No --> D[out.error — sys.exit]
    C -- Yes --> E[create DeviceController]
    E --> F{action?}
    F -- on --> G[ctrl.turn_on]
    F -- off --> H[ctrl.turn_off]
    F -- status --> I[ctrl.get_status]
    F -- set --> J[ctrl.set_value]
    G & H & I & J --> K[update config status / output result]

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