feat: add session notes for 2026-02-19 with build, code, and integration updates

SESSION_NOTES.md

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+# Session Notes - 2026-02-19
+
+## What's Been Done
+
+### Build System
+- Fixed mise.toml compile task (single quotes, proper shell escaping)
+- Added upload task back
+- All 3 boards now compile successfully
+
+### Code Changes
+- Added font abstraction (`setTitleFont`, `setBodyFont`, `setLabelFont`, `setDefaultFont`)
+- Added CSS-like styling constants (`STYLE_*` in board_config.h)
+- Added Layout helpers in `KlubhausCore/src/Style.h`
+- Added `drawDebugTouch()` for red crosshair debug feature
+- Added test harness for touch injection (`TEST:touch` commands)
+- Fixed dashboard tile layout to use STYLE constants
+
+### Neovim Integration
+- Added keymaps in `~/.config/nvim/lua/config/keymaps.lua`
+- Board auto-detection from current file path
+- Notifications via `vim.notify()` on task completion/failure
+- Keybindings: `<leader>mc`, `<leader>mu`, `<leader>mm`, `<leader>ma`, `<leader>mk`
+
+### Documentation
+- Updated AGENTS.md with Style System section
+- Updated RTK section (slimmed down)
+- Added note about multiple mise tasks with `&&`
+
+## Current Issues / TODO
+
+### High Priority
+- [ ] Test touch coordinates on esp32-s3-lcd-43 - crosshair should show where user taps
+- [ ] Debug why tiles overlap header (should be fixed with STYLE_HEADER_HEIGHT)
+
+### Medium Priority
+- [ ] Add theme support (dark/light mode)
+- [ ] Fix esp32-32e and esp32-32e-4 dashboard rendering
+
+### Low Priority
+- [ ] Add more tile labels for esp32-s3-lcd-43 (currently just "1", "2", "3"...)
+
+## Board Status
+
+| Board | Display | Build | Notes |
+|-------|---------|-------|-------|
+| esp32-s3-lcd-43 | 800x480 | ✅ 35% | Main development board |
+| esp32-32e-4 | 320x480 | ✅ 83% | |
+| esp32-32e | 320x240 | ✅ 82% | |
+
+## Style Constants Reference
+
+### Spacing (in board_config.h)
+- `STYLE_SPACING_X` - Base horizontal margin
+- `STYLE_SPACING_Y` - Base vertical margin
+- `STYLE_HEADER_HEIGHT` - Header bar height
+- `STYLE_TILE_GAP` - Gap between tiles
+- `STYLE_TILE_PADDING` - Tile internal padding
+- `STYLE_TILE_RADIUS` - Tile border radius
+
+### Colors
+- `STYLE_COLOR_BG` - Screen background
+- `STYLE_COLOR_HEADER` - Header background
+- `STYLE_COLOR_FG` - Primary text color
+- `STYLE_COLOR_ALERT` - Alert screen
+- `STYLE_COLOR_TILE_1` through `STYLE_COLOR_TILE_4` - Tile colors
+
+## Useful Commands
+
+```bash
+# Compile and upload
+mise run compile && mise run upload && mise run monitor
+
+# Debug touch (in serial monitor)
+TEST:touch X Y press
+TEST:touch X Y release
+TEST:touch clear
+```