fix: refresh delegation permissions and report Reasoner task outcomes

implement-stage/task-backends/ASSUMPTIONS.md

@@ -12,7 +12,7 @@
 | B-007 | 推理强度 | provider_default 或 low/medium/high；非默认值要求模型资源显式声明 supportsReasoningEffort，按 reasoning_effort 参数发送，不支持时拒绝 | semantic | default |
 | B-008 | 技能 | Reasoner 使用后端资源中的命名技能正文；OpenCode 使用远端原生技能/agent，平台仅保存说明，不伪装远程安装或权限隔离 | semantic | default |
 | B-009 | 外部选择 | OpenCode保留地址/目录/服务鉴权，新增可选 agent 与 modelProviderId/modelId；推理强度及沙箱由远端管理 | interface | default |
-| B-010 | 执行结果 | Reasoner通过明确完成/提问控制函数返回业务结果；idle、普通文本、接收回执不能直接证明成功 | semantic | default |
+| B-010 | 执行结果 | Reasoner通过complete_task(status,result)明确报告目标成功或失败；部分完成记为failed并说明限制。该状态是执行模型的报告，非平台独立验证；idle、普通文本、接收回执不证明成功 | semantic | sweep |
 | B-011 | 生命周期与取消 | 语音断线继续；取消停止当前任务；原生取消不代表外部工具或远端副作用被回滚，需核查远端停止 | semantic | user |
 | B-012 | 恢复 | OpenCode只观察已有句柄；内置Reasoner重启标记中断，不自动重放工具；历史任务保留旧恢复语义 | semantic | default |
 | B-013 | 时限与并发 | 新任务保存截止时间，排队和执行均计时；全局原生串行并发1，保留远端状态未确认时阻止新提交策略 | semantic | default |
@@ -22,6 +22,8 @@
 | B-017 | F0过渡 | Walking skeleton短暂兼容旧tool提交入口以保持累计检查；迁移阶段移除该过渡入口，不保留为新产品接口 | interface | default |
 | B-018 | 回退迁移 | 0027为数据语义迁移，downgrade明确拒绝，需备份恢复；不能把新的Reasoner配置静默回退成旧task工具 | semantic | default |
 | B-019 | 切换Realtime | 已绑定任务后端时复用现有配置移除确认交互，确认切换后解除绑定，后端资源保留 | semantic | default |
-| B-020 | 配置有效性 | 后端配置拒绝未知字段；资源编辑验证已绑定助手，模型/工具失效时阻止保存和执行，不静默漏掉能力 | semantic | default |
+| B-020 | 配置有效性 | 后端配置拒绝未知字段；启用资源的编辑验证已绑定助手，模型/工具失效时阻止保存和委派；停用资源允许保留结构合法但引用失效的配置 | semantic | sweep |
 | B-021 | 类型与凭据 | 后端资源可切换类型，但必须提交完整合法配置；OpenCode转Reasoner清除服务凭据，同类型空值/掩码保留原凭据 | interface | default |
-| B-022 | 指令模板 | 助手绑定 instructions 的 {{变量}} 使用任务接受时冻结的变量单次渲染；资源 instructions 和技能正文按字面使用，不访问密钥变量 | semantic | default |
+| B-022 | 指令模板 | 助手绑定 instructions 的业务变量使用接受时冻结的值单次渲染；system__time/system__time_utc沿用共享渲染器执行时刷新。资源 instructions 和技能正文按字面使用，不访问密钥变量 | semantic | sweep |
+| B-023 | 通话内更新 | 每次Speaker委派前重新读取后端、模型、工具和MCP启用状态及凭据；绑定或任务参数来源改变时要求重新连接。接受后的任务继续用快照，不因配置编辑撤销已有副作用 | semantic | sweep |
+| B-024 | 停用影响 | 允许停用仍被引用的后端并保留绑定；新助手会话因配置校验失败不能启动，需先解绑或启用。已有Speaker通话保留，但新委派会重新校验并拒绝停用资源 | semantic | sweep |

implement-stage/task-backends/SILENT_ASSUMPTION_SWEEP.json

@@ -0,0 +1,42 @@
+{
+  "undeclared": [
+    {
+      "site": "backend/services/brains/prompt_tasks.py:29; backend/services/brains/prompt_tasks.py:55; backend/services/background_tasks/service.py:62",
+      "decision": "语音会话建立时解析的后端配置会用于该连接随后提交的所有任务；提交时复制该运行时对象，不重新读取后端、模型、工具或 MCP Server 的启用状态、配置与凭据。",
+      "why_it_matters": "管理员在通话期间修改配置、停用能力或轮换凭据后，该通话仍可使用旧配置创建新任务。B-004 声明任务提交后的快照冻结，但没有声明提交前配置已经固定于语音连接；B-020 也未说明有效性检查只在解析时进行。",
+      "class": "semantic"
+    },
+    {
+      "site": "backend/services/task_backend_resources.py:135; backend/services/config_resolver.py:328; backend/routes/task_backends.py:82",
+      "decision": "允许停用仍被助手引用的后端并保留绑定；此后解析该助手的完整运行配置会失败，因此新的 Speaker 会话也不能启动。",
+      "why_it_matters": "停用任务后端的影响范围是整个已绑定助手的新会话，而不仅是任务委派。规格和假设记录没有声明这一影响范围。",
+      "class": "semantic"
+    },
+    {
+      "site": "backend/services/background_tasks/reasoner.py:148; backend/services/background_tasks/reasoner.py:174",
+      "decision": "complete_task 只接收结果文本，并将任何被接受的结果统一记为 succeeded；没有让 Reasoner 显式返回业务失败或部分完成状态的控制参数。",
+      "why_it_matters": "模型即使通过结果文本说明目标无法完成，调用 complete_task 后任务卡片仍显示成功。B-010 声明了显式完成控制，但未定义 succeeded 表示结束执行还是业务目标达成。",
+      "class": "semantic"
+    }
+  ],
+  "stale_rows": [
+    {
+      "id": "B-020",
+      "site": "backend/routes/task_backends.py:37; backend/routes/task_backends.py:82",
+      "stated": "资源编辑验证已绑定助手，模型/工具失效时阻止保存。",
+      "actual": "enabled=false 时跳过模型和工具资源有效性检查，也跳过已绑定助手检查；结构合法但引用失效的停用配置可以保存。启用状态下的检查与记录一致。",
+      "why_it_matters": "记录没有声明停用资源的保存例外，因此描述的配置有效性保证强于实际代码。",
+      "class": "semantic"
+    },
+    {
+      "id": "B-022",
+      "site": "backend/services/background_tasks/reasoner.py:107; backend/services/background_tasks/opencode.py:91; backend/services/runtime_variables.py:155",
+      "stated": "助手绑定 instructions 的变量使用任务接受时冻结的变量单次渲染。",
+      "actual": "业务变量使用冻结快照并单次展开；但共享渲染器在执行时刷新 system__time 和 system__time_utc，因此这两个变量使用渲染时刻。最新 OpenCode 可选变量修复正确保留了既有可选变量语义，不改变此时钟行为。",
+      "why_it_matters": "任务排队后，包含系统时间的指令会得到执行时刻，而不是接受任务时刻；记录需要明确这个例外。",
+      "class": "semantic"
+    }
+  ],
+  "semantic_undeclared": 3,
+  "verdict": "gaps"
+}

implement-stage/task-backends/frontend-smoke.json

@@ -0,0 +1,176 @@
+{
+  "status": "passed_with_limitations",
+  "method": "Headless Google Chrome via temporary Playwright Core; built Next frontend at localhost:3217",
+  "mock_boundary": "Every /api request intercepted with explicit in-memory fixtures; non-local requests aborted. No backend, real model, OpenCode, database or real credentials contacted.",
+  "prior_attempts": [
+    {
+      "outcome": "Reasoner and OpenCode saves passed; narrow resource row edit was obstructed with existing expanded sidebar at390px. Repeated using existing sidebar collapse control; no application code changed."
+    }
+  ],
+  "fixtures": {
+    "models": [
+      "UI Strong Model: supportsReasoningEffort=true",
+      "UI Basic Model: supportsReasoningEffort=false"
+    ],
+    "tools": [
+      "UI HTTP Tool",
+      "UI Client Tool (must be excluded from Reasoner picker)"
+    ]
+  },
+  "steps": [
+    {
+      "name": "Render dedicated resources page and open Reasoner form",
+      "status": "passed",
+      "details": {
+        "desktop_layout": {
+          "viewport": 1440,
+          "width": 751.712158203125,
+          "left": 344.1438903808594,
+          "right": 1095.8560485839844,
+          "scrollWidth": 768,
+          "clientWidth": 768,
+          "horizontalOverflow": false,
+          "outsideViewport": false
+        }
+      }
+    },
+    {
+      "name": "Configure Reasoner model, high effort, inline skill and server-only tool",
+      "status": "passed",
+      "details": {
+        "captured_payload": {
+          "name": "UI Reasoner Smoke",
+          "description": "",
+          "enabled": true,
+          "type": "reasoner",
+          "secrets": {},
+          "config": {
+            "instructions": "",
+            "timeoutSeconds": 600,
+            "maxConcurrency": 1,
+            "modelResourceId": "ui_model_strong",
+            "reasoningEffort": "high",
+            "toolBindings": [
+              {
+                "toolId": "ui_http",
+                "argumentBindings": {
+                  "query": {
+                    "source": "model"
+                  }
+                },
+                "templateBindings": {},
+                "resultAssignments": {}
+              }
+            ],
+            "skills": [
+              {
+                "name": "UI Analysis",
+                "content": "Analyze constraints before proposing a result."
+              }
+            ]
+          }
+        }
+      }
+    },
+    {
+      "name": "Edit preserves Reasoner values; unsupported model disables nondefault effort",
+      "status": "passed"
+    },
+    {
+      "name": "Configure OpenCode connection, agent, paired model and remote skill note",
+      "status": "passed",
+      "details": {
+        "captured_payload": {
+          "name": "UI OpenCode Smoke",
+          "description": "",
+          "enabled": true,
+          "type": "opencode",
+          "secrets": {
+            "password": "<fake fixture credential>"
+          },
+          "config": {
+            "instructions": "",
+            "timeoutSeconds": 600,
+            "maxConcurrency": 1,
+            "url": "http://127.0.0.1:9",
+            "directory": "/test-fixture/repo",
+            "username": "opencode",
+            "agent": "build",
+            "modelProviderId": "ui-provider",
+            "modelId": "ui-model",
+            "skillsNote": "Installed remotely; fixture note only."
+          }
+        }
+      }
+    },
+    {
+      "name": "Responsive resource page and OpenCode modal fit a 390px viewport",
+      "status": "passed",
+      "details": {
+        "page_layout": {
+          "viewport": 390,
+          "width": 390,
+          "left": 0,
+          "right": 390,
+          "scrollWidth": 390,
+          "clientWidth": 390,
+          "horizontalOverflow": false,
+          "outsideViewport": false
+        },
+        "dialog_layout": {
+          "viewport": 390,
+          "width": 340.0999755859375,
+          "left": 24.950002670288086,
+          "right": 365.0499782562256,
+          "scrollWidth": 358,
+          "clientWidth": 358,
+          "horizontalOverflow": false,
+          "outsideViewport": false
+        }
+      }
+    },
+    {
+      "name": "Prompt binds backend independently and sends taskBackend without ToolBinding",
+      "status": "passed",
+      "details": {
+        "captured_task_backend": {
+          "backendId": "ui_backend_1",
+          "instructions": "Return clear evidence and limitations.",
+          "instructionSource": {
+            "source": "model"
+          }
+        },
+        "ordinary_tool_bindings": []
+      }
+    },
+    {
+      "name": "Migrated variable instruction source survives fetch/edit/save unchanged",
+      "status": "incomplete",
+      "error": "Optional legacy-variable fetch/edit/save follow-up timed out waiting for the task-instruction editor after page reload. Not diagnosed; this browser run does not claim to verify that scenario."
+    }
+  ],
+  "console_errors": [],
+  "page_errors": [],
+  "unexpected_requests": [],
+  "captures": [
+    "/private/tmp/ai-video-browser-smoke/reasoner-desktop.png",
+    "/private/tmp/ai-video-browser-smoke/opencode-desktop.png",
+    "/private/tmp/ai-video-browser-smoke/expanded-sidebar-mobile-limitation.png",
+    "/private/tmp/ai-video-browser-smoke/opencode-mobile.png",
+    "/private/tmp/ai-video-browser-smoke/prompt-binding-desktop.png"
+  ],
+  "limitations": [
+    "Browser smoke verifies rendered client behavior and request payloads against mocked APIs, not backend validation or genuine model/coding execution.",
+    "No microphone/WebRTC connection was started.",
+    "Responsive checks cover new resource page/dialog with the existing sidebar manually collapsed. Existing AppShell does not auto-collapse its252px sidebar on resize; the expanded sidebar obstructed row edit at390px.",
+    "Optional migrated variable instructionSource reload was not verified in this browser run; no backend or migration behavior is inferred from it.",
+    "Screenshots are diagnostic captures; mobile capture occurred during modal transition. Geometry checks, not pixel comparison, established the responsive result."
+  ],
+  "completed_at": "2026-10-24T01:25:20.247Z",
+  "acceptance": "Core frontend browser smoke passed against explicitly mocked APIs; optional legacy variable reload remains unverified.",
+  "cleanup": {
+    "temporary_browser_closed": true,
+    "local_next_server_stopped": true,
+    "project_dependencies_changed": false
+  }
+}

implement-stage/task-backends/sweep-metadata.json

@@ -0,0 +1,7 @@
+{
+  "review_independence": "same-family",
+  "acceptance_status": "provisional",
+  "round_limit": 2,
+  "rounds_completed": 1,
+  "first_round_semantic_undeclared": 3
+}