fix(agents): make requested threads sidebar-visible (#118073)

* fix(agents): make requested threads sidebar-visible

* fix(agents): preserve visible spawn authority

test/fixtures/agents/prompt-snapshots/codex-runtime-happy-path/codex-dynamic-tools.discord-group.json

@@ -2,7 +2,7 @@
   "base": "codex-dynamic-tools.telegram-direct.json",
   "replace": {
     "sessions_spawn": {
-      "description": "Spawn clean child; default `runtime=\"subagent\"`. `mode=\"run\"` one-shot; `mode=\"session\"` persistent/thread-bound only on supporting requester channel. `agentId` targets a configured agent (see agents_list); `model` overrides its model; `cleanup` delete|keep hidden child session; `sandbox` inherit|require. `visible=true`: persistent dashboard session; subagent only; omit `mode` (no `mode=\"run\"`), `thread`, `thinking`, `lightContext`, `attachments`, `attachAs`; inherited tool allow/denylist blocks it at spawn with no config override; may check out a git worktree via `worktree`/`worktreeName`/`worktreeBaseRef`. Session listing/addressing obeys `tools.sessions.visibility` (tree: current session + own spawn subtree; reads also cover any watched same-agent group sessions). Inherits parent workspace. Native task arrives as first `[Subagent Task]`. Native transcript needed: `context=\"fork\"`; else omit/isolated. Use fresh child for sidecar/parallel batch reads, multi-step search, data collection; avoid quick lookup/single read unless policy prefers. After spawn, do non-overlap work. Run result returns; session output stays thread.",
+      "description": "Spawn clean child; default `runtime=\"subagent\"`. `mode=\"run\"` one-shot; `mode=\"session\"` persistent/thread-bound only on supporting requester channel. `agentId` targets a configured agent (see agents_list); `model` overrides its model; `cleanup` delete|keep hidden child session; `sandbox` inherit|require. `visible=true`: persistent sidebar dashboard session; use when the user asks to create/open a thread; subagent only; omit `mode` (no `mode=\"run\"`), `thread`, `thinking`, `lightContext`, `attachments`, `attachAs`; inherits the caller tool-policy ceiling; may check out a git worktree via `worktree`/`worktreeName`/`worktreeBaseRef`. Session listing/addressing obeys `tools.sessions.visibility` (tree: current session + own spawn subtree; reads also cover any watched same-agent group sessions). Inherits parent workspace. Native task arrives as first `[Subagent Task]`. Native transcript needed: `context=\"fork\"`; else omit/isolated. Use fresh child for sidecar/parallel batch reads, multi-step search, data collection; avoid quick lookup/single read unless policy prefers. After spawn, do non-overlap work. Run result returns; session output stays thread.",
       "inputSchema": {
         "properties": {
           "agentId": {
@@ -101,7 +101,7 @@
             "type": "boolean"
           },
           "visible": {
-            "description": "Persistent UI session; subagent only; omit mode/thread/thinking/lightContext/attachments/attachAs; unavailable with inherited tool allow/denylist.",
+            "description": "Persistent sidebar UI session; use when the user asks to create or open a thread; subagent only; omit mode/thread/thinking/lightContext/attachments/attachAs.",
             "type": "boolean"
           },
           "worktree": {

test/fixtures/agents/prompt-snapshots/codex-runtime-happy-path/codex-dynamic-tools.telegram-direct.json

@@ -138,7 +138,7 @@
     "type": "function"
   },
   {
-    "description": "Spawn clean child; default `runtime=\"subagent\"`. `mode=\"run\"` one-shot background. `agentId` targets a configured agent (see agents_list); `model` overrides its model; `cleanup` delete|keep hidden child session; `sandbox` inherit|require. `visible=true`: persistent dashboard session; subagent only; omit `mode` (no `mode=\"run\"`), `thread`, `thinking`, `lightContext`, `attachments`, `attachAs`; inherited tool allow/denylist blocks it at spawn with no config override; may check out a git worktree via `worktree`/`worktreeName`/`worktreeBaseRef`. Session listing/addressing obeys `tools.sessions.visibility` (tree: current session + own spawn subtree; reads also cover any watched same-agent group sessions). Inherits parent workspace. Native task arrives as first `[Subagent Task]`. Native transcript needed: `context=\"fork\"`; else omit/isolated. Use fresh child for sidecar/parallel batch reads, multi-step search, data collection; avoid quick lookup/single read unless policy prefers. After spawn, do non-overlap work while run result returns.",
+    "description": "Spawn clean child; default `runtime=\"subagent\"`. `mode=\"run\"` one-shot background. `agentId` targets a configured agent (see agents_list); `model` overrides its model; `cleanup` delete|keep hidden child session; `sandbox` inherit|require. `visible=true`: persistent sidebar dashboard session; use when the user asks to create/open a thread; subagent only; omit `mode` (no `mode=\"run\"`), `thread`, `thinking`, `lightContext`, `attachments`, `attachAs`; inherits the caller tool-policy ceiling; may check out a git worktree via `worktree`/`worktreeName`/`worktreeBaseRef`. Session listing/addressing obeys `tools.sessions.visibility` (tree: current session + own spawn subtree; reads also cover any watched same-agent group sessions). Inherits parent workspace. Native task arrives as first `[Subagent Task]`. Native transcript needed: `context=\"fork\"`; else omit/isolated. Use fresh child for sidecar/parallel batch reads, multi-step search, data collection; avoid quick lookup/single read unless policy prefers. After spawn, do non-overlap work while run result returns.",
     "inputSchema": {
       "properties": {
         "agentId": {
@@ -233,7 +233,7 @@
           "type": "string"
         },
         "visible": {
-          "description": "Persistent UI session; subagent only; omit mode/thread/thinking/lightContext/attachments/attachAs; unavailable with inherited tool allow/denylist.",
+          "description": "Persistent sidebar UI session; use when the user asks to create or open a thread; subagent only; omit mode/thread/thinking/lightContext/attachments/attachAs.",
           "type": "boolean"
         },
         "worktree": {

test/fixtures/agents/prompt-snapshots/codex-runtime-happy-path/discord-group-codex-message-tool.md

@@ -221,8 +221,8 @@ This is the deterministic model-bound layer stack OpenClaw can snapshot for the
     "roughTokens": 0
   },
   "dynamicToolsJson": {
-    "chars": 61456,
-    "roughTokens": 15364
+    "chars": 61490,
+    "roughTokens": 15373
   },
   "openClawDeveloperInstructions": {
     "chars": 3811,
@@ -233,8 +233,8 @@ This is the deterministic model-bound layer stack OpenClaw can snapshot for the
     "roughTokens": 7049
   },
   "totalWithDynamicToolsJson": {
-    "chars": 89652,
-    "roughTokens": 22413
+    "chars": 89686,
+    "roughTokens": 22422
   },
   "userInputText": {
     "chars": 1300,

test/fixtures/agents/prompt-snapshots/codex-runtime-happy-path/telegram-direct-codex-message-tool.md

@@ -221,8 +221,8 @@ This is the deterministic model-bound layer stack OpenClaw can snapshot for the
     "roughTokens": 0
   },
   "dynamicToolsJson": {
-    "chars": 61148,
-    "roughTokens": 15287
+    "chars": 61182,
+    "roughTokens": 15296
   },
   "openClawDeveloperInstructions": {
     "chars": 2702,
@@ -233,8 +233,8 @@ This is the deterministic model-bound layer stack OpenClaw can snapshot for the
     "roughTokens": 6679
   },
   "totalWithDynamicToolsJson": {
-    "chars": 87864,
-    "roughTokens": 21966
+    "chars": 87898,
+    "roughTokens": 21975
   },
   "userInputText": {
     "chars": 929,

test/fixtures/agents/prompt-snapshots/codex-runtime-happy-path/telegram-heartbeat-codex-tool.md

@@ -222,8 +222,8 @@ This is the deterministic model-bound layer stack OpenClaw can snapshot for the
     "roughTokens": 0
   },
   "dynamicToolsJson": {
-    "chars": 62682,
-    "roughTokens": 15671
+    "chars": 62716,
+    "roughTokens": 15679
   },
   "openClawDeveloperInstructions": {
     "chars": 2702,
@@ -234,8 +234,8 @@ This is the deterministic model-bound layer stack OpenClaw can snapshot for the
     "roughTokens": 6783
   },
   "totalWithDynamicToolsJson": {
-    "chars": 89814,
-    "roughTokens": 22454
+    "chars": 89848,
+    "roughTokens": 22462
   },
   "userInputText": {
     "chars": 1271,