Merge remote-tracking branch 'origin/master' into worktree/session-reference

# Conflicts:
#	.agents/notes/implemented/feature/2026-06-18-compaction-capability-seam.md
#	docs/config-catalog.md
#	docs/cordis-catalog/services.md
#	docs/event-producer-consumer.md
#	docs/module-graph.md
#	packages/compact/compact-basic/src/region.ts
#	packages/compact/compact/README.md
#	packages/compact/compact/tests/compact.spec.ts
#	packages/examples/acp-demo/package.json
#	packages/ui/tui/README.md
#	packages/ui/tui/package.json
#	packages/ui/tui/src/index.ts
#	packages/ui/tui/tests/harness.ts
#	packages/ui/tui/tests/tui.spec.ts

packages/examples/tui-demo/package.json

@@ -14,6 +14,10 @@
       "types": "./lib/types/index.d.ts",
       "default": "./lib/index.js"
     },
+    "./invariant": {
+      "types": "./lib/types/invariant.d.ts",
+      "default": "./lib/invariant.js"
+    },
     "./bin": {
       "types": "./lib/types/bin.d.ts",
       "default": "./lib/bin.js"
@@ -23,6 +27,7 @@
   },
   "files": [
     "lib/index.js",
+    "lib/invariant.js",
     "lib/bin.js",
     "lib/types/**/*.d.ts",
     "lib/types/**/*.d.ts.map",
@@ -37,9 +42,9 @@
     "@deepseek-ai/dsh-agent-loop": "^0.0.1",
     "@deepseek-ai/dsh-commands": "^0.0.1",
     "@deepseek-ai/dsh-command-goal": "^0.0.1",
-    "@deepseek-ai/dsh-llm": "^0.0.1",
     "@deepseek-ai/dsh-agent-spine-demo": "^0.0.1",
-    "@deepseek-ai/dsh-workspace-context": "^0.0.1",
+    "@deepseek-ai/dsh-invariants": "^0.0.1",
+    "@deepseek-ai/dsh-llm": "^0.0.1",
     "@deepseek-ai/dsh-session": "^0.0.1",
     "@deepseek-ai/dsh-session-query": "^0.0.1",
     "@deepseek-ai/dsh-session-reference": "^0.0.1",
@@ -48,6 +53,7 @@
     "@deepseek-ai/dsh-tool-ask-user": "^0.0.1",
     "@deepseek-ai/dsh-tools": "^0.0.1",
     "@deepseek-ai/dsh-user-interaction": "^0.0.1",
+    "@deepseek-ai/dsh-workspace-context": "^0.0.1",
     "cordis": "^4.0.0-rc.7",
     "schemastery": "^3.17.0"
   },
@@ -59,18 +65,19 @@
     "@deepseek-ai/dsh-agent-loop": "workspace:^",
     "@deepseek-ai/dsh-commands": "workspace:^",
     "@deepseek-ai/dsh-command-goal": "workspace:^",
-    "@deepseek-ai/dsh-llm": "workspace:^",
     "@deepseek-ai/dsh-agent-spine-demo": "workspace:^",
-    "@deepseek-ai/dsh-system-prompt": "workspace:^",
-    "@deepseek-ai/dsh-workspace-context": "workspace:^",
+    "@deepseek-ai/dsh-invariants": "workspace:^",
+    "@deepseek-ai/dsh-llm": "workspace:^",
     "@deepseek-ai/dsh-session": "workspace:^",
     "@deepseek-ai/dsh-session-query": "workspace:^",
     "@deepseek-ai/dsh-session-reference": "workspace:^",
     "@deepseek-ai/dsh-session-persistence-jsonl": "workspace:^",
+    "@deepseek-ai/dsh-system-prompt": "workspace:^",
     "@deepseek-ai/dsh-tui": "workspace:^",
     "@deepseek-ai/dsh-tool-ask-user": "workspace:^",
     "@deepseek-ai/dsh-tools": "workspace:^",
     "@deepseek-ai/dsh-user-interaction": "workspace:^",
+    "@deepseek-ai/dsh-workspace-context": "workspace:^",
     "cordis": "^4.0.0-rc.7",
     "schemastery": "^3.17.0"
   }

packages/examples/tui-demo/src/invariant.ts

@@ -0,0 +1,30 @@
+/**
+ * Package-owned invariant companion for `@deepseek-ai/dsh-tui-demo`.
+ * @module @deepseek-ai/dsh-tui-demo/invariant
+ */
+
+/* jscpd:ignore-start */
+import type { Context } from 'cordis'
+import type { InvariantInstaller } from '@deepseek-ai/dsh-invariants'
+
+const PACKAGE_NAME = '@deepseek-ai/dsh-tui-demo'
+
+/** Cordis companion plugin name. */
+export const name = 'tui-demo-invariant'
+/** Service required before the companion can reserve package ownership. */
+export const inject = ['invariants']
+
+/**
+ * No runtime invariant: this composition-only package delegates mutable state and event streams
+ * to the agent spine, persistence, and TUI packages that own their checks.
+ */
+const install: InvariantInstaller = () => {}
+
+/**
+ * Register this package's invariant companion.
+ * @param ctx - Cordis context carrying the invariant service.
+ * @returns the installed registration's disposer after setup succeeds.
+ */
+export const apply = (ctx: Context): Promise<() => void> =>
+  Promise.resolve(ctx.invariants.register(PACKAGE_NAME, install))
+/* jscpd:ignore-end */

packages/examples/tui-demo/tsconfig.json

@@ -55,6 +55,9 @@
     },
     {
       "path": "../../session-persistence/session-persistence-jsonl"
+    },
+    {
+      "path": "../../support/invariants"
     }
   ]
 }

packages/examples/tui-demo/tsdown.config.ts

@@ -8,7 +8,7 @@ import { defineConfig } from 'tsdown'
  * matching every package.
  */
 export default defineConfig({
-  entry: ['lib/types/index.js', 'lib/types/bin.js'],
+  entry: ['lib/types/index.js', 'lib/types/invariant.js', 'lib/types/bin.js'],
   outDir: 'lib',
   format: ['esm'],
   platform: 'node',