Overhaul package list and add new packages

- Replace company with corfu, add cape for completion extensions
- Add embark, embark-consult, wgrep, avy, diff-hl, helpful
- Add which-key (built-in 30+), ghostel, auto-dark
- Remove yasnippet, yaml-mode, json-mode (covered by treesit-auto)
- Add claude-code-ide via use-package :vc with anti-flicker config
- Wire claude-code-ide into project-switch-commands
- Switch eglot hooks to treesit mode variants only
- Clean up obsolete modes and keybindings

1 files changed, 2 insertions, 0 deletions

diff --git a/.gitignore b/.gitignore
index 50c7c48..17b6e2a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -10,3 +10,5 @@ custom.el
 forge-database.sqlite
 .hg/
 claude-code-context.json
+/projects
+/.agent-shell/