cli: Add Autocomplete For Mode

[marius-kilocode]

Adds tab autocomplete support for the /mode command in the CLI, matching the existing autocomplete behavior for /model.

[changeset-bot]

🦋 Changeset detected

Latest commit: 1e7860a

The changes in this PR will be included in the next version bump.

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[kiloconnect]

⚠️ 2 Issues Found

Severity	Issue	Location
WARNING	Indentation inconsistency - extra tabs in code block	cli/src/state/hooks/useCommandInput.ts:269-296
SUGGESTION	Unintended Git LFS hooks committed	.husky/_/ files

Recommendation: Address the indentation issue before merge. The husky files should be removed from this PR.

Review Details (10 files)

Files Reviewed:

• cli/src/commands/mode.ts - Main autocomplete implementation ✅
• cli/src/commands/core/types.ts - Type addition ✅
• cli/src/services/autocomplete.ts - Context update ✅
• cli/src/state/hooks/useCommandInput.ts - Context update (1 issue)
• cli/src/commands/__tests__/mode.autocomplete.test.ts - New tests ✅
• .changeset/mode-autocomplete.md - Changeset ✅
• .husky/_/post-checkout, post-commit, post-merge, pre-push - Unintended files

Checked: Security, bugs, code style, error handling

Summary: The core implementation follows the existing pattern from /model autocomplete and looks correct. The modeAutocompleteProvider properly retrieves custom modes from context and formats suggestions with source labels. Tests are comprehensive.

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[kiloconnect]

⚠️ 1 Issue Found

Severity	Issue	Location
WARNING	Indentation inconsistency	cli/src/state/hooks/useCommandInput.ts:292

Recommendation: Address the indentation issue before merge

Review Details (6 files)

Files reviewed:

• .changeset/mode-autocomplete.md - ✅ Appropriate changeset
• cli/src/commands/__tests__/mode.autocomplete.test.ts - ✅ Comprehensive tests following existing patterns
• cli/src/commands/core/types.ts - ✅ Type addition is correct
• cli/src/commands/mode.ts - ✅ Clean refactor with proper autocomplete provider
• cli/src/services/autocomplete.ts - ✅ Correctly passes customModes through context
• cli/src/state/hooks/useCommandInput.ts - ⚠️ Indentation issue (1 issue)

Checked: Security, bugs, performance, error handling, code style

Notes:

• The autocomplete implementation follows the established pattern from /model command
• The formatSourceLabel function correctly handles all source types including undefined
• Test structure mirrors model.autocomplete.test.ts appropriately
• Line 292 has a single tab on what should be an empty line (see inline comment for fix)

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