update migration plan for Git and Copilot integration

- Refactor phases for Git integration and Copilot setup.
- Add decisions and tasks for Gitsigns and Copilot configuration.
- Adjust phase numbering and confirm priorities for new tasks.

MIGRATION_PLAN.md

@@ -225,58 +225,77 @@ Source of truth for the step-by-step rebuild. Keep this concise and up to date.
 - [x] Add keymap to toggle undotree
 - [x] Configure minimal settings
 
-## Phase 7 — Git, Markdown, Copilot, Formatting
+## Phase 7 — Git Integration
 
 ## Phase 7.1 — Confirm scope and priorities
-- [ ] Confirm scope and priorities for this phase
+- [x] Confirm scope and priorities for this phase
+- [x] Decision: Gitsigns with minimal config - signs in gutter, hunk navigation/actions only
+- [x] Decision: Skip markdown rendering plugins entirely
 
-## Phase 7.2 — Git
+## Phase 7.2 — Gitsigns
 - [ ] Add `lewis6991/gitsigns.nvim`
+- [ ] Configure signs in gutter (add, change, delete, topdelete, changedelete)
+- [ ] Add hunk navigation keymaps (]h/[h for next/prev hunk)
+- [ ] Add hunk action keymaps (stage, reset, preview)
+- [ ] Keep minimal - no inline blame, no advanced features
 
-## Phase 7.3 — Markdown
-- [ ] Add `render-markdown.nvim`
-
-## Phase 7.4 — Copilot
-- [ ] Add `zbirenbaum/copilot.lua` + `copilot-cmp`
-
-## Phase 7.5 — Formatting
-- [ ] Add `nvimtools/none-ls.nvim` with minimal formatters/linters
-
-## Phase 8 — Migrate Kept Behaviours
+## Phase 8 — Copilot
 
 ## Phase 8.1 — Confirm scope and priorities
 - [ ] Confirm scope and priorities for this phase
 
-## Phase 8.2 — Abbreviations
-- [ ] Abbreviations: `adn→and`, `waht→what`, `tehn→then`, `functin→function`, `positin→position`
+## Phase 8.2 — Copilot setup
+- [ ] Add `zbirenbaum/copilot.lua` + `copilot-cmp`
+- [ ] Configure copilot integration with nvim-cmp
+- [ ] Add keymaps for copilot suggestions
+- [ ] Configure behavior preferences
 
-## Phase 8.3 — Templates
-- [ ] Templates: auto-populate new `.sh` from template
-
-## Phase 8.4 — Whitespace highlighting
-- [ ] Whitespace highlighting (modern approach)
-
-## Phase 8.5 — Persistent folds
-- [ ] Persistent folds (via UFO)
-
-## Phase 9 — Cleanup & Validation
+## Phase 9 — Formatting & Linting
 
 ## Phase 9.1 — Confirm scope and priorities
 - [ ] Confirm scope and priorities for this phase
 
-## Phase 9.2 — Retire legacy files
+## Phase 9.2 — none-ls setup
+- [ ] Add `nvimtools/none-ls.nvim`
+- [ ] Configure formatters (to be determined in 9.1)
+- [ ] Configure linters (to be determined in 9.1)
+- [ ] Add format-on-save or manual format keymaps
+
+## Phase 10 — Migrate Kept Behaviours
+
+## Phase 10.1 — Confirm scope and priorities
+- [ ] Confirm scope and priorities for this phase
+
+## Phase 10.2 — Abbreviations
+- [ ] Abbreviations: `adn→and`, `waht→what`, `tehn→then`, `functin→function`, `positin→position`
+
+## Phase 10.3 — Templates
+- [ ] Templates: auto-populate new `.sh` from template
+
+## Phase 10.4 — Whitespace highlighting
+- [ ] Whitespace highlighting (modern approach)
+
+## Phase 10.5 — Persistent folds
+- [ ] Persistent folds (via UFO)
+
+## Phase 11 — Cleanup & Validation
+
+## Phase 11.1 — Confirm scope and priorities
+- [ ] Confirm scope and priorities for this phase
+
+## Phase 11.2 — Retire legacy files
 - [ ] Retire legacy Vimscript files (keep for reference until verified)
 
-## Phase 9.3 — Startup performance
+## Phase 11.3 — Startup performance
 - [ ] Validate startup performance (no errors, fast launch)
 
-## Phase 9.4 — Tab workflow validation
+## Phase 11.4 — Tab workflow validation
 - [ ] Validate tab-per-context workflow with Neo-tree (if used)
 
-## Phase 9.5 — Navigation validation
+## Phase 11.5 — Navigation validation
 - [ ] Validate Telescope navigation + LSP jumps
 
-## Phase 9.6 — Language tooling validation
+## Phase 11.6 — Language tooling validation
 - [ ] Validate HTML/PHP/JS/Markdown tooling
 
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