fix: multiple navigation fixes for splits/popup terminal

chore: update Keybinds.md

more navigation fixes (primarly disabling mouse when terminal is open)

rm session

KEYBINDS.md

@@ -1,28 +1,30 @@
 # Neovim Keybinds & Commands Cheatsheet
 
-## LSP (built-in, Neovim 0.11+)
+## LSP
 
 | Key | Action |
 |-----|--------|
-| `grn` | Rename symbol |
-| `grr` | Go to references |
-| `gra` | Code action |
-| `gri` | Go to implementation |
-| `gO` | Document symbols |
-| `gd` | Go to definition |
+| `gd` | Go to definition (reuses existing split) |
 | `gD` | Go to declaration |
+| `gi` | Go to implementation |
+| `gr` | Go to references |
+| `gt` | Go to type definition |
 | `K` | Hover documentation |
-| `<C-s>` (insert) | Signature help |
+| `<C-k>` | Signature help (normal + insert) |
+| `<leader>ca` | Code action |
+| `<leader>rn` | Rename symbol |
+| `<leader>f` | Format file |
 
-## Diagnostics (built-in)
+## Diagnostics
 
-| Key / Command | Action |
-|---------------|--------|
+| Key | Action |
+|-----|--------|
 | `[d` | Previous diagnostic |
 | `]d` | Next diagnostic |
-| `<C-w>d` | Open diagnostic float |
-| `:lua vim.diagnostic.setqflist()` | All diagnostics to quickfix |
-| `:lua vim.diagnostic.setloclist()` | Buffer diagnostics to loclist |
+| `gl` | Open diagnostic float |
+| `<leader>q` | Buffer diagnostics to loclist |
+
+Go files auto-format and organize imports on save.
 
 ## Autocompletion (blink.cmp)
 
@@ -38,29 +40,58 @@
 
 Sources: LSP, buffer words, file paths.
 
-## Buffer Navigation
+## Pane Navigation
 
 | Key | Action |
 |-----|--------|
-| `<Tab>` | Next buffer |
-| `<Shift-Tab>` | Previous buffer |
-| `<leader>x` | Close current buffer |
+| `<Alt-h>` | Move left (or prev terminal tab in popup) |
+| `<Alt-l>` | Move right (or next terminal tab in popup) |
+| `<Alt-j>` | Move down |
+| `<Alt-k>` | Move up |
 
-Each split window shows its own filename bar (winbar) at the top.
+Navigation wraps around (left from leftmost goes to rightmost).
+Alt+h/l switch terminal tabs when the popup terminal is open.
+
+## Buffer Tabs (per-split)
+
+| Key | Action |
+|-----|--------|
+| `<Tab>` | Next buffer in current split |
+| `<Shift-Tab>` | Previous buffer in current split |
+| `<leader>x` | Close current buffer |
+| `:q` | Close current buffer (keeps split) |
+| `:wq` | Save and close current buffer |
+
+Each file belongs to one split only. Selecting an already-open file from oil focuses its split.
 
 ## File Explorer (oil.nvim)
 
 | Key / Command | Action |
 |---------------|--------|
 | `<leader>e` | Toggle file tree (left sidebar) |
-| `-` or `<BS>` | Go up one directory (in file tree) |
-| `<CR>` | Open file in last used code window (auto-focuses there) |
+| `-` or `<BS>` | Go up one directory |
+| `<CR>` | Open file in last used code split |
+| `<leader>d` | Delete file/directory under cursor |
 | `g.` | Toggle hidden files |
 | `<C-p>` | Preview file |
 | `<C-c>` | Close oil |
-| `:w` (in oil buffer) | Save filesystem changes (renames, deletes, etc.) |
+| `:w` (in oil buffer) | Save filesystem changes (renames, moves, etc.) |
 
-Edit filenames directly in the buffer, then `:w` to apply.
+File tree opens automatically on startup. Edit filenames directly in the buffer, then `:w` to apply.
+
+## Popup Terminal
+
+| Key | Action |
+|-----|--------|
+| `<C-t>` | Toggle popup terminal |
+| `<Alt-h>` | Previous terminal tab |
+| `<Alt-l>` | Next terminal tab |
+| `<C-n>` | New terminal tab |
+| `<C-w>` | Close terminal tab |
+| `<C-v>` | Paste from clipboard |
+| `<Esc>` | Exit to normal mode |
+
+Terminal session persists when hidden. Tab indicator in title: `Terminal [1] 2 3`.
 
 ## Task Runner (overseer.nvim)
 
@@ -74,7 +105,7 @@ Edit filenames directly in the buffer, then `:w` to apply.
 | `:OverseerTaskAction` | Pick a task, then an action |
 | `:OverseerClearCache` | Clear cached tasks |
 
-Tasks integrate with quickfix: errors from tasks populate the quickfix list.
+Tasks integrate with quickfix: errors populate the quickfix list.
 
 ## Mason (LSP server management)
 
@@ -84,7 +115,6 @@ Tasks integrate with quickfix: errors from tasks populate the quickfix list.
 | `:MasonInstall <server>` | Install a server |
 | `:MasonUninstall <server>` | Remove a server |
 | `:MasonUpdate` | Update all servers |
-| `:MasonLog` | View install logs |
 
 Auto-installed servers: `gopls`, `bashls`, `ansiblels`, `yamlls`.
 
@@ -106,35 +136,21 @@ Syntax highlighting is automatic once a parser is installed.
 | `:cclose` | Close quickfix window |
 | `:cnext` / `]q` | Next quickfix item |
 | `:cprev` / `[q` | Previous quickfix item |
-| `:cfirst` | First item |
-| `:clast` | Last item |
 
-## Window Resizing (built-in)
+## Window Management
 
 | Key | Action |
 |-----|--------|
-| `<C-w>>` | Wider (right) |
-| `<C-w><` | Narrower (left) |
+| `<C-w>v` | Vertical split |
+| `<C-w>s` | Horizontal split |
+| `<C-w>>` | Wider |
+| `<C-w><` | Narrower |
 | `<C-w>+` | Taller |
 | `<C-w>-` | Shorter |
 | `<C-w>=` | Equal size all |
 | `10<C-w>>` | Wider by 10 columns |
 
-## General (built-in)
-
-| Key | Action |
-|-----|--------|
-| `<C-w>s` | Split horizontal |
-| `<C-w>v` | Split vertical |
-| `<C-t>` | Toggle floating popup terminal |
-| `<Alt-h/j/k/l>` | Move between panes (also works from terminal) |
-| `<C-w>h/j/k/l` | Move between panes (default) |
-| `:e <path>` | Open file |
-| `u` | Undo |
-| `<C-r>` | Redo |
-| `.` | Repeat last change |
-| `*` | Search word under cursor |
-| `:noh` | Clear search highlight |
+Splitting from oil auto-redirects to the code area.
 
 ## Sessions / Layout
 
@@ -143,7 +159,7 @@ Syntax highlighting is automatic once a parser is installed.
 | `<leader>ss` | Save current layout/session |
 | `<leader>sl` | Load saved layout/session |
 
-Saves window positions, sizes, buffers, and current directory.
+Saves window positions, sizes, buffers, terminals, and current directory.
 
 ## Statusline