Merge master into worktree/preset-user-root-in-package

Overlaps master on the preset e2e, the web scaffold, and the generated
config-catalog triplet; all merged textually, so the catalog is regenerated and
its pairing hashes re-recorded rather than trusted.

packages/preset/agent-presets/package.json

@@ -1,7 +1,7 @@
 {
   "name": "@deepseek-ai/dsh-agent-presets",
   "description": "Per-session agent composition from preset cordis.yml files for the DeepSeek Harness",
-  "version": "0.0.1-rc.1",
+  "version": "0.0.1-rc.2",
   "publishConfig": {
     "access": "restricted"
   },

packages/preset/persona/package.json

@@ -1,7 +1,7 @@
 {
   "name": "@deepseek-ai/dsh-persona",
   "description": "Composition-authored deployment persona section for the DeepSeek Harness",
-  "version": "0.0.1-rc.1",
+  "version": "0.0.1-rc.2",
   "publishConfig": {
     "access": "restricted"
   },