feat: add searxng web-search provider, openrouter cost balance UI, offline scripts; update source-launch and docs

packages/bundle/web-app/cordis.patch.yml

@@ -94,6 +94,19 @@
     - id: plugin-inventory
       name: '@deepseek-ai/dsh-host-plugin-inventory'
 
+    # OpenRouter spend: the account-balance Remote gateway plus the
+    # openRouterCost session projection, priced from the model table. Both
+    # surfaces stay hidden until an OPENROUTER_API_KEY resolves, so assemblies
+    # not routed through OpenRouter cost no layout and no fetch.
+    - id: openrouter-usage
+      name: '@deepseek-ai/dsh-openrouter-usage'
+      config:
+        apiKeyEnv: OPENROUTER_API_KEY
+        baseURL: https://openrouter.ai/api/v1
+        syncEnabled: true
+        pricingRefreshMs: 21600000
+        balanceRefreshMs: 60000
+
     # The API gateway: the transport-agnostic dispatch face every client shape
     # shares. The base layer's agent-default-model service owns the default model.
     - id: api-gateway
@@ -241,6 +254,13 @@
     - id: ui-goal
       name: '@deepseek-ai/dsh-client-ui-goal'
 
+    # OpenRouter spend surface: the per-session 会话费用 on the composer stats
+    # dock (over the openRouterCost projection) and the account 余额 badge at
+    # the sidebar foot (over the openRouterUsage Remote). Both render nothing
+    # before real data exists.
+    - id: ui-openrouter-usage
+      name: '@deepseek-ai/dsh-client-ui-openrouter-usage'
+
     # Per-message feedback: Like/Dislike plus an optional note in the
     # assistant-message action strip, over the messageFeedback Remote.
     - id: ui-message-feedback

packages/bundle/web-app/package.json

@@ -61,6 +61,7 @@
     "@deepseek-ai/dsh-client-ui-directory-picker-native": "workspace:^",
     "@deepseek-ai/dsh-client-ui-message-feedback": "workspace:^",
     "@deepseek-ai/dsh-client-ui-goal": "workspace:^",
+    "@deepseek-ai/dsh-client-ui-openrouter-usage": "workspace:^",
     "@deepseek-ai/dsh-client-ui-layout": "workspace:^",
     "@deepseek-ai/dsh-client-ui-model-selection": "workspace:^",
     "@deepseek-ai/dsh-client-ui-settings-models": "workspace:^",
@@ -94,6 +95,7 @@
     "@deepseek-ai/dsh-host-plugin-inventory": "workspace:^",
     "@deepseek-ai/dsh-host-webserver": "workspace:^",
     "@deepseek-ai/dsh-message-feedback": "workspace:^",
+    "@deepseek-ai/dsh-openrouter-usage": "workspace:^",
     "@deepseek-ai/dsh-session-projection-cache": "workspace:^",
     "@deepseek-ai/dsh-session-log-export": "workspace:^",
     "@deepseek-ai/dsh-session-stats": "workspace:^",