feat: add OpenCode plugin for chezmoi context warnings and Claude usage keybind

- Add plugin to warn when editing files outside chezmoi directory
- Add kitty keybind (ctrl+alt+c) to check Claude API usage

.opencode/plugin/chezmoi-context.ts

@@ -0,0 +1,83 @@
+import type { Plugin } from "@opencode-ai/plugin"
+
+const CHEZMOI_DIR = "/home/xevion/.local/share/chezmoi"
+
+interface ToolExecuteInput {
+  tool: string
+  sessionID: string
+  callID: string
+}
+
+interface ToolExecuteOutputBefore {
+  args: {
+    filePath?: string
+    [key: string]: unknown
+  }
+  [key: string]: unknown
+}
+
+interface ToolExecuteOutputAfter {
+  output?: string
+  [key: string]: unknown
+}
+
+export const ChezmoiContextPlugin: Plugin = async (ctx) => {
+  // Store warnings by callID
+  const warnings = new Map<string, string>()
+
+  return {
+    "tool.execute.before": async (
+      input: ToolExecuteInput,
+      output: ToolExecuteOutputBefore
+    ): Promise<void> => {
+      // Only check read, edit, and write tools
+      if (input.tool !== "read" && input.tool !== "edit" && input.tool !== "write") {
+        return
+      }
+
+      const filePath = output.args.filePath
+      
+      if (!filePath || typeof filePath !== "string") {
+        return
+      }
+
+      // Resolve to absolute path
+      const absolutePath = filePath.startsWith("/") 
+        ? filePath 
+        : `${ctx.directory}/${filePath}`
+
+      // Check if outside Chezmoi directory
+      if (!absolutePath.startsWith(CHEZMOI_DIR)) {
+        const warning = `<system-reminder>
+⚠️  CONTEXT WARNING: This file is OUTSIDE the Chezmoi managed directory.
+
+File location: ${absolutePath}
+Chezmoi directory: ${CHEZMOI_DIR}
+
+This file is NOT part of your dotfiles configuration. Changes here will:
+- NOT be tracked by Chezmoi
+- NOT sync across machines  
+- Affect the local system directly
+
+If you intended to edit a dotfile, make sure you're working within ${CHEZMOI_DIR}.
+</system-reminder>
+
+`
+        // Store warning for the after hook
+        warnings.set(input.callID, warning)
+      }
+    },
+
+    "tool.execute.after": async (
+      input: ToolExecuteInput,
+      output: ToolExecuteOutputAfter
+    ): Promise<void> => {
+      // Check if we stored a warning for this call
+      const warning = warnings.get(input.callID)
+      if (warning && typeof output.output === "string") {
+        output.output = warning + output.output
+        warnings.delete(input.callID)
+      }
+    },
+  }
+}

home/dot_config/kitty/private_kitty.conf

@@ -41,3 +41,6 @@ map ctrl+shift+s launch --cwd=current --type=tab
 
 # Duplicate terminal as split/window with current working directory
 map ctrl+shift+alt+s launch --cwd=current
+
+# Run Claude usage checker
+map ctrl+alt+c launch --type=overlay fish -c "claude-usage; read -P 'Press any key to close...'"