fix(dcp): correct storage path to match OpenCode's actual location

DCP was failing to find session messages because it was looking in
~/.config/opencode/sessions instead of ~/.local/share/opencode/storage.
Unified all hooks to use getOpenCodeStorageDir() for cross-platform consistency.

🤖 GENERATED WITH ASSISTANCE OF [OhMyOpenCode](https://github.com/code-yeongyu/oh-my-opencode)

src/hooks/agent-usage-reminder/constants.ts

@@ -1,7 +1,7 @@
 import { join } from "node:path";
-import { xdgData } from "xdg-basedir";
+import { getOpenCodeStorageDir } from "../../shared/data-path";
 
-export const OPENCODE_STORAGE = join(xdgData ?? "", "opencode", "storage");
+export const OPENCODE_STORAGE = getOpenCodeStorageDir();
 export const AGENT_USAGE_REMINDER_STORAGE = join(
   OPENCODE_STORAGE,
   "agent-usage-reminder",

src/hooks/anthropic-auto-compact/storage.ts

@@ -1,19 +1,8 @@
 import { existsSync, readdirSync, readFileSync, writeFileSync } from "node:fs"
-import { homedir } from "node:os"
 import { join } from "node:path"
-import { xdgData } from "xdg-basedir"
+import { getOpenCodeStorageDir } from "../../shared/data-path"
-
-let OPENCODE_STORAGE = join(xdgData ?? "", "opencode", "storage")
-
-// Fix for macOS where xdg-basedir points to ~/Library/Application Support
-// but OpenCode (cli) uses ~/.local/share
-if (process.platform === "darwin" && !existsSync(OPENCODE_STORAGE)) {
-  const localShare = join(homedir(), ".local", "share", "opencode", "storage")
-  if (existsSync(localShare)) {
-    OPENCODE_STORAGE = localShare
-  }
-}
 
+const OPENCODE_STORAGE = getOpenCodeStorageDir()
 const MESSAGE_STORAGE = join(OPENCODE_STORAGE, "message")
 const PART_STORAGE = join(OPENCODE_STORAGE, "part")
 

src/hooks/directory-agents-injector/constants.ts

@@ -1,7 +1,7 @@
 import { join } from "node:path";
-import { xdgData } from "xdg-basedir";
+import { getOpenCodeStorageDir } from "../../shared/data-path";
 
-export const OPENCODE_STORAGE = join(xdgData ?? "", "opencode", "storage");
+export const OPENCODE_STORAGE = getOpenCodeStorageDir();
 export const AGENTS_INJECTOR_STORAGE = join(
   OPENCODE_STORAGE,
   "directory-agents",

src/hooks/directory-readme-injector/constants.ts

@@ -1,7 +1,7 @@
 import { join } from "node:path";
-import { xdgData } from "xdg-basedir";
+import { getOpenCodeStorageDir } from "../../shared/data-path";
 
-export const OPENCODE_STORAGE = join(xdgData ?? "", "opencode", "storage");
+export const OPENCODE_STORAGE = getOpenCodeStorageDir();
 export const README_INJECTOR_STORAGE = join(
   OPENCODE_STORAGE,
   "directory-readme",

src/hooks/interactive-bash-session/constants.ts

@@ -1,7 +1,7 @@
 import { join } from "node:path";
-import { xdgData } from "xdg-basedir";
+import { getOpenCodeStorageDir } from "../../shared/data-path";
 
-export const OPENCODE_STORAGE = join(xdgData ?? "", "opencode", "storage");
+export const OPENCODE_STORAGE = getOpenCodeStorageDir();
 export const INTERACTIVE_BASH_SESSION_STORAGE = join(
   OPENCODE_STORAGE,
   "interactive-bash-session",

src/hooks/rules-injector/constants.ts

@@ -1,7 +1,7 @@
 import { join } from "node:path";
-import { xdgData } from "xdg-basedir";
+import { getOpenCodeStorageDir } from "../../shared/data-path";
 
-export const OPENCODE_STORAGE = join(xdgData ?? "", "opencode", "storage");
+export const OPENCODE_STORAGE = getOpenCodeStorageDir();
 export const RULES_INJECTOR_STORAGE = join(OPENCODE_STORAGE, "rules-injector");
 
 export const PROJECT_MARKERS = [

src/hooks/session-recovery/constants.ts

@@ -1,7 +1,7 @@
 import { join } from "node:path"
-import { xdgData } from "xdg-basedir"
+import { getOpenCodeStorageDir } from "../../shared/data-path"
 
-export const OPENCODE_STORAGE = join(xdgData ?? "", "opencode", "storage")
+export const OPENCODE_STORAGE = getOpenCodeStorageDir()
 export const MESSAGE_STORAGE = join(OPENCODE_STORAGE, "message")
 export const PART_STORAGE = join(OPENCODE_STORAGE, "part")
 

src/shared/data-path.ts

@@ -2,27 +2,20 @@ import * as path from "node:path"
 import * as os from "node:os"
 
 /**
- * Returns the user-level data directory based on the OS.
+ * Returns the user-level data directory.
- * - Linux/macOS: XDG_DATA_HOME or ~/.local/share
+ * Matches OpenCode's behavior via xdg-basedir:
- * - Windows: %LOCALAPPDATA%
+ * - All platforms: XDG_DATA_HOME or ~/.local/share
  *
- * This follows XDG Base Directory specification on Unix systems
+ * Note: OpenCode uses xdg-basedir which returns ~/.local/share on ALL platforms
- * and Windows conventions on Windows.
+ * including Windows, so we match that behavior exactly.
  */
 export function getDataDir(): string {
-  if (process.platform === "win32") {
-    // Windows: Use %LOCALAPPDATA% (e.g., C:\Users\Username\AppData\Local)
-    return process.env.LOCALAPPDATA ?? path.join(os.homedir(), "AppData", "Local")
-  }
-
-  // Unix: Use XDG_DATA_HOME or fallback to ~/.local/share
   return process.env.XDG_DATA_HOME ?? path.join(os.homedir(), ".local", "share")
 }
 
 /**
  * Returns the OpenCode storage directory path.
- * - Linux/macOS: ~/.local/share/opencode/storage
+ * All platforms: ~/.local/share/opencode/storage
- * - Windows: %LOCALAPPDATA%\opencode\storage
  */
 export function getOpenCodeStorageDir(): string {
   return path.join(getDataDir(), "opencode", "storage")