feat(cardwired): default to hybrid mode instead of manual

[luytan]

Description

Change the default mode from manual to hybrid for new installations

TODO

• Copy-Paste this line

Checklist:

• My code follows the style guidelines of this project (cargo fmt)
• I have performed a self-review of my code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the mdBook documentation
• My changes generate no new warnings (clippy/clang)
• New and existing unit tests pass locally with my changes (either use nix flake check or wait for the ci)

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Repository UI

Review profile: ASSERTIVE

Plan: Pro Plus

Run ID: 0e041410-1293-4314-ab0a-5f9405358829

📥 Commits

Reviewing files that changed from the base of the PR and between 5fd38e9 and dbea4d7.

📒 Files selected for processing (2)

• crates/cardwire-daemon/src/file/state.rs
• crates/cardwire-daemon/src/interface/mode.rs

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📝 Walkthrough

Summary by CodeRabbit

• Bug Fixes
  • Updated the app’s default mode to Hybrid instead of Manual.
  • Fixed default handling so new or empty configurations now start in Hybrid mode.
  • Aligned related checks so they reflect the new default behavior.

Walkthrough

The daemon now defaults Modes and CardwireModeState to Modes::Hybrid. Unit tests update the direct default and empty-JSON default expectations.

Changes

Hybrid mode default

Layer / File(s)	Summary
Modes default variant crates/cardwire-daemon/src/interface/mode.rs	The Modes enum now uses Hybrid as its default variant. Its unit test verifies the change.
State default propagation crates/cardwire-daemon/src/file/state.rs	CardwireModeState::default() uses Modes::Hybrid. Tests verify direct and empty-JSON defaults.

Estimated code review effort: 1 (Trivial) | ~5 minutes

🚥 Pre-merge checks | ✅ 4

✅ Passed checks (4 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title precisely describes the main change: switching the default mode from manual to hybrid mode in cardwired.
Description check	✅ Passed	The description includes a summary of changes and covers all required checklist items, though lacks issue reference and feature motivation details.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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