refactor(config): centralize DSH home paths

apps/cli/config/base.cordis.yml

@@ -84,8 +84,7 @@
 - id: session-persistence-jsonl
   name: '@deepseek-ai/dsh-session-persistence-jsonl'
   config:
-    root: !!js >-
-      (() => { const path = process.getBuiltinModule('node:path'); const home = process.getBuiltinModule('node:os').homedir(); const configured = process.env.DSH_HOME; const selected = configured !== undefined && configured.trim().length > 0 ? configured : path.join(home, '.dsh'); const expanded = selected === '~' ? home : selected.startsWith('~/') || selected.startsWith('~\\') ? path.join(home, selected.slice(2)) : selected; return path.join(path.resolve(expanded), 'sessions') })()
+    root: !!js dshHomePath('sessions')
 
 # TUI consumes this shared session capability. Its launcher supplies a unique
 # process-local path; other surfaces repoint or disable the row in their

apps/cli/config/web.cordis.yml

@@ -119,8 +119,7 @@
     - id: storage-json
       name: '@deepseek-ai/dsh-storage-json'
       config:
-        root: !!js >-
-          (() => { const path = process.getBuiltinModule('node:path'); const home = process.getBuiltinModule('node:os').homedir(); const configured = process.env.DSH_HOME; const selected = configured !== undefined && configured.trim().length > 0 ? configured : path.join(home, '.dsh'); const expanded = selected === '~' ? home : selected.startsWith('~/') || selected.startsWith('~\\') ? path.join(home, selected.slice(2)) : selected; return path.join(path.resolve(expanded), 'storages') })()
+        root: !!js dshHomePath('storages')
 
     - id: storage-domain
       name: '@deepseek-ai/dsh-storage-domain'