diff --git a/package-lock.json b/package-lock.json
index 4f70d429..73c82dca 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -15,7 +15,7 @@
         "vscode-jsonrpc": "^8.2.1"
       },
       "devDependencies": {
-        "@openai/codex": "^0.106.0",
+        "@openai/codex": "^0.107.0",
         "@types/node": "^24.10.1",
         "mcp-hello-world": "^1.1.2",
         "tsx": "^4.20.6",
@@ -813,9 +813,9 @@
       }
     },
     "node_modules/@openai/codex": {
-      "version": "0.106.0",
-      "resolved": "https://registry.npmjs.org/@openai/codex/-/codex-0.106.0.tgz",
-      "integrity": "sha512-GgzVs+mOaJfAFalI+QqEXcuJuBODhIg217g+B5jg6HMujux3Q4yeSki57x8MD/DJ43hRq9X1DTyZL/345Bo0Ag==",
+      "version": "0.107.0",
+      "resolved": "https://registry.npmjs.org/@openai/codex/-/codex-0.107.0.tgz",
+      "integrity": "sha512-bAHmp4I3YNEqeR5U+LA5yViecDTlLVAJ+EGo8h647f0DClEWxFtyKXzyBJQ/kcL1G3bzstOTcuVpTdjhvJoe6g==",
       "dev": true,
       "license": "Apache-2.0",
       "bin": {
@@ -825,19 +825,19 @@
         "node": ">=16"
       },
       "optionalDependencies": {
-        "@openai/codex-darwin-arm64": "npm:@openai/codex@0.106.0-darwin-arm64",
-        "@openai/codex-darwin-x64": "npm:@openai/codex@0.106.0-darwin-x64",
-        "@openai/codex-linux-arm64": "npm:@openai/codex@0.106.0-linux-arm64",
-        "@openai/codex-linux-x64": "npm:@openai/codex@0.106.0-linux-x64",
-        "@openai/codex-win32-arm64": "npm:@openai/codex@0.106.0-win32-arm64",
-        "@openai/codex-win32-x64": "npm:@openai/codex@0.106.0-win32-x64"
+        "@openai/codex-darwin-arm64": "npm:@openai/codex@0.107.0-darwin-arm64",
+        "@openai/codex-darwin-x64": "npm:@openai/codex@0.107.0-darwin-x64",
+        "@openai/codex-linux-arm64": "npm:@openai/codex@0.107.0-linux-arm64",
+        "@openai/codex-linux-x64": "npm:@openai/codex@0.107.0-linux-x64",
+        "@openai/codex-win32-arm64": "npm:@openai/codex@0.107.0-win32-arm64",
+        "@openai/codex-win32-x64": "npm:@openai/codex@0.107.0-win32-x64"
       }
     },
     "node_modules/@openai/codex-darwin-arm64": {
       "name": "@openai/codex",
-      "version": "0.106.0-darwin-arm64",
-      "resolved": "https://registry.npmjs.org/@openai/codex/-/codex-0.106.0-darwin-arm64.tgz",
-      "integrity": "sha512-icTUe8ZKRH2RqO2qS/FPNLMP1TloxbfM/5RxGRjh2xkd8wXDvYFeEnP2siKKLISFT49+oIbT0phUeSPR2Tlg4A==",
+      "version": "0.107.0-darwin-arm64",
+      "resolved": "https://registry.npmjs.org/@openai/codex/-/codex-0.107.0-darwin-arm64.tgz",
+      "integrity": "sha512-g8u0nsns9JaHNYehVuw1eSL/83BSuBsmdOo2rrEU0D1rKI/QoIQSv6S6offZnQFerCHeqj0LabxYzqUTBzEh0g==",
       "cpu": [
         "arm64"
       ],
@@ -853,9 +853,9 @@
     },
     "node_modules/@openai/codex-darwin-x64": {
       "name": "@openai/codex",
-      "version": "0.106.0-darwin-x64",
-      "resolved": "https://registry.npmjs.org/@openai/codex/-/codex-0.106.0-darwin-x64.tgz",
-      "integrity": "sha512-i9/V2CEfH3QlhZkA/iG/Sw8eR8I8uvH23AoIrd91/LbFX77aAjzg7rSdshU6thhdy2fhiyPjKq23/bVk5cvh5g==",
+      "version": "0.107.0-darwin-x64",
+      "resolved": "https://registry.npmjs.org/@openai/codex/-/codex-0.107.0-darwin-x64.tgz",
+      "integrity": "sha512-uDCfszYS/9RL6fMBqnLyFloBCa/Lgvqjt/P2izrByRANlHZG4Nwn1Sayn7v2TugvOJ5fBPZMRcaloqfjowmdEQ==",
       "cpu": [
         "x64"
       ],
@@ -871,9 +871,9 @@
     },
     "node_modules/@openai/codex-linux-arm64": {
       "name": "@openai/codex",
-      "version": "0.106.0-linux-arm64",
-      "resolved": "https://registry.npmjs.org/@openai/codex/-/codex-0.106.0-linux-arm64.tgz",
-      "integrity": "sha512-l/xmB0w+LTf9c/0CLEkQclUfPNsOlPENR0lxiATSv9vGaQdCi/P3MEI+L1iOMWn2Nx7o04foCfkSJiKV38n4DQ==",
+      "version": "0.107.0-linux-arm64",
+      "resolved": "https://registry.npmjs.org/@openai/codex/-/codex-0.107.0-linux-arm64.tgz",
+      "integrity": "sha512-iAPYuXfACBSjVf4DPkN8YFawFGXPORzm7hDJhkzqqQvXRSyeZDaVkdT81FhaNIjm1rcaMnMDGJn2M+tOwmGy0w==",
       "cpu": [
         "arm64"
       ],
@@ -889,9 +889,9 @@
     },
     "node_modules/@openai/codex-linux-x64": {
       "name": "@openai/codex",
-      "version": "0.106.0-linux-x64",
-      "resolved": "https://registry.npmjs.org/@openai/codex/-/codex-0.106.0-linux-x64.tgz",
-      "integrity": "sha512-cVNGR8nlnW4V+2ofDt8+Q1mbR7JwxZGvSWjXJ+9GvEt0DBEO0Q5KRIsJa6iSYqTcH6V5oBcTFiK//+HDbTaFNQ==",
+      "version": "0.107.0-linux-x64",
+      "resolved": "https://registry.npmjs.org/@openai/codex/-/codex-0.107.0-linux-x64.tgz",
+      "integrity": "sha512-h9SG15CrNihjHwSiYBU3dxMWH2r9fQIBPxFIpWnSUnjE5/YaXusbJQEvC+5u+g6CzUXX40fFsm3gVWV9uzX7Og==",
       "cpu": [
         "x64"
       ],
@@ -907,9 +907,9 @@
     },
     "node_modules/@openai/codex-win32-arm64": {
       "name": "@openai/codex",
-      "version": "0.106.0-win32-arm64",
-      "resolved": "https://registry.npmjs.org/@openai/codex/-/codex-0.106.0-win32-arm64.tgz",
-      "integrity": "sha512-8CBtM8Nr4gDqQNKl4VK/+vRv9Mj+Et0pMZqEKFXZ+3Vwovs3lFDsuDET4XQ1trk11UejFNpPCk9Tle9P99hGTw==",
+      "version": "0.107.0-win32-arm64",
+      "resolved": "https://registry.npmjs.org/@openai/codex/-/codex-0.107.0-win32-arm64.tgz",
+      "integrity": "sha512-LHGQA2h/L72NRFcdIjKN/+V2nFXfuHDSQcI1Qdt9/7fUdcpb/pqN1n7U5rujccuTCf0ihk4XhGywAwiwPsjmWA==",
       "cpu": [
         "arm64"
       ],
@@ -925,9 +925,9 @@
     },
     "node_modules/@openai/codex-win32-x64": {
       "name": "@openai/codex",
-      "version": "0.106.0-win32-x64",
-      "resolved": "https://registry.npmjs.org/@openai/codex/-/codex-0.106.0-win32-x64.tgz",
-      "integrity": "sha512-fF1AKwRDf6t54OmEgMf3JyaJrFWUozeYBa3W/0P6LkaTfCz68zrajL5yO78mhf/rf9eAb83PIkvej0EHBzTheQ==",
+      "version": "0.107.0-win32-x64",
+      "resolved": "https://registry.npmjs.org/@openai/codex/-/codex-0.107.0-win32-x64.tgz",
+      "integrity": "sha512-Iq1UOxj2El/syo8abN0/7Z6ICIVTW7tY9DJbdx01wjQYbi6Ecb8e66iTNFq65Mingq7vG7QWvYGyLycVztHFuw==",
       "cpu": [
         "x64"
       ],
diff --git a/package.json b/package.json
index c60c2b6f..7668d963 100644
--- a/package.json
+++ b/package.json
@@ -28,7 +28,7 @@
   "license": "ISC",
   "type": "module",
   "devDependencies": {
-    "@openai/codex": "^0.106.0",
+    "@openai/codex": "^0.107.0",
     "@types/node": "^24.10.1",
     "mcp-hello-world": "^1.1.2",
     "tsx": "^4.20.6",
diff --git a/src/CodexEventHandler.ts b/src/CodexEventHandler.ts
index c97c7630..688fb248 100644
--- a/src/CodexEventHandler.ts
+++ b/src/CodexEventHandler.ts
@@ -96,6 +96,7 @@ export class CodexEventHandler {
             case "item/commandExecution/terminalInteraction":
             case "item/fileChange/outputDelta":
             case "item/mcpToolCall/progress":
+            case "serverRequest/resolved":
             case "account/updated":
                 return null;
             case "account/rateLimits/updated":
diff --git a/src/__tests__/CodexACPAgent/CodexAcpClient.test.ts b/src/__tests__/CodexACPAgent/CodexAcpClient.test.ts
index dee55889..79bbe645 100644
--- a/src/__tests__/CodexACPAgent/CodexAcpClient.test.ts
+++ b/src/__tests__/CodexACPAgent/CodexAcpClient.test.ts
@@ -125,6 +125,8 @@ describe('ACP server test', { timeout: 40_000 }, () => {
                 id: "gpt-5",
                 model: "gpt-5",
                 upgrade: null,
+                upgradeInfo: null,
+                availabilityNux: null,
                 displayName: "gpt-5",
                 description: "test model",
                 hidden: false,
@@ -539,6 +541,9 @@ describe('ACP server test', { timeout: 40_000 }, () => {
         {
             id: '5.2-codex',
             model: '5.2-codex',
+            upgrade: null,
+            upgradeInfo: null,
+            availabilityNux: null,
             displayName: 'Codex 5.2',
             description: 'Coding model',
             hidden: false,
@@ -549,12 +554,14 @@ describe('ACP server test', { timeout: 40_000 }, () => {
             defaultReasoningEffort: 'medium',
             supportsPersonality: false,
             isDefault: false,
-            upgrade: null,
             inputModalities: []
         },
         {
             id: '5.1',
             model: '5.1',
+            upgrade: null,
+            upgradeInfo: null,
+            availabilityNux: null,
             displayName: 'Standard 5.1',
             description: 'Standard model',
             hidden: false,
@@ -564,7 +571,6 @@ describe('ACP server test', { timeout: 40_000 }, () => {
             defaultReasoningEffort: 'low',
             supportsPersonality: false,
             isDefault: true,
-            upgrade: null,
             inputModalities: []
         }
     ];
diff --git a/src/__tests__/CodexACPAgent/data/auth-with-key.json b/src/__tests__/CodexACPAgent/data/auth-with-key.json
index c80a4c52..cfab2d6d 100644
--- a/src/__tests__/CodexACPAgent/data/auth-with-key.json
+++ b/src/__tests__/CodexACPAgent/data/auth-with-key.json
@@ -92,6 +92,8 @@
       "id": "id",
       "model": "model",
       "upgrade": "upgrade",
+      "upgradeInfo": null,
+      "availabilityNux": null,
       "displayName": "gpt-5.3-codex",
       "description": "Latest frontier agentic coding model.",
       "hidden": false,
@@ -108,6 +110,13 @@
       "id": "id",
       "model": "model",
       "upgrade": "upgrade",
+      "upgradeInfo": {
+        "model": "model",
+        "upgradeCopy": null,
+        "modelLink": null,
+        "migrationMarkdown": "**Codex just got an upgrade. Introducing {model_to}.**\n\nCodex is now powered by {model_to}, our most capable agentic coding model yet. It's built for long-running, project-scale work, with mid-turn steering + frequent progress updates so you can collaborate while it runs (and it's faster too).\n\nLearn more: https://openai.com/index/introducing-gpt-5-3-codex/\n\nYou can keep using {model_from} if you prefer.\n"
+      },
+      "availabilityNux": null,
       "displayName": "gpt-5.2-codex",
       "description": "Frontier agentic coding model.",
       "hidden": false,
@@ -124,6 +133,13 @@
       "id": "id",
       "model": "model",
       "upgrade": "upgrade",
+      "upgradeInfo": {
+        "model": "model",
+        "upgradeCopy": null,
+        "modelLink": null,
+        "migrationMarkdown": "**Codex just got an upgrade. Introducing {model_to}.**\n\nCodex is now powered by {model_to}, our most capable agentic coding model yet. It's built for long-running, project-scale work, with mid-turn steering + frequent progress updates so you can collaborate while it runs (and it's faster too).\n\nLearn more: https://openai.com/index/introducing-gpt-5-3-codex/\n\nYou can keep using {model_from} if you prefer.\n"
+      },
+      "availabilityNux": null,
       "displayName": "gpt-5.1-codex-max",
       "description": "Codex-optimized flagship for deep and fast reasoning.",
       "hidden": false,
@@ -140,6 +156,13 @@
       "id": "id",
       "model": "model",
       "upgrade": "upgrade",
+      "upgradeInfo": {
+        "model": "model",
+        "upgradeCopy": null,
+        "modelLink": null,
+        "migrationMarkdown": "**Codex just got an upgrade. Introducing {model_to}.**\n\nCodex is now powered by {model_to}, our most capable agentic coding model yet. It's built for long-running, project-scale work, with mid-turn steering + frequent progress updates so you can collaborate while it runs (and it's faster too).\n\nLearn more: https://openai.com/index/introducing-gpt-5-3-codex/\n\nYou can keep using {model_from} if you prefer.\n"
+      },
+      "availabilityNux": null,
       "displayName": "gpt-5.2",
       "description": "Latest frontier model with improvements across knowledge, reasoning and coding",
       "hidden": false,
@@ -156,6 +179,13 @@
       "id": "id",
       "model": "model",
       "upgrade": "upgrade",
+      "upgradeInfo": {
+        "model": "model",
+        "upgradeCopy": null,
+        "modelLink": null,
+        "migrationMarkdown": "**Codex just got an upgrade. Introducing {model_to}.**\n\nCodex is now powered by {model_to}, our most capable agentic coding model yet. It's built for long-running, project-scale work, with mid-turn steering + frequent progress updates so you can collaborate while it runs (and it's faster too).\n\nLearn more: https://openai.com/index/introducing-gpt-5-3-codex/\n\nYou can keep using {model_from} if you prefer.\n"
+      },
+      "availabilityNux": null,
       "displayName": "gpt-5.1-codex-mini",
       "description": "Optimized for codex. Cheaper, faster, but less capable.",
       "hidden": false,
diff --git a/src/__tests__/CodexACPAgent/list-sessions.test.ts b/src/__tests__/CodexACPAgent/list-sessions.test.ts
index 88dd84bf..32390314 100644
--- a/src/__tests__/CodexACPAgent/list-sessions.test.ts
+++ b/src/__tests__/CodexACPAgent/list-sessions.test.ts
@@ -15,6 +15,7 @@ describe("CodexACPAgent - list sessions", () => {
         const threadA: Thread = {
             id: "sess-1",
             preview: "First session",
+            ephemeral: false,
             modelProvider: "openai",
             createdAt: 100,
             updatedAt: 200,
@@ -32,6 +33,7 @@ describe("CodexACPAgent - list sessions", () => {
         const threadB: Thread = {
             id: "sess-2",
             preview: "Other session",
+            ephemeral: false,
             modelProvider: "openai",
             createdAt: 300,
             updatedAt: 400,
diff --git a/src/__tests__/CodexACPAgent/load-session.test.ts b/src/__tests__/CodexACPAgent/load-session.test.ts
index 8962ae51..9be09697 100644
--- a/src/__tests__/CodexACPAgent/load-session.test.ts
+++ b/src/__tests__/CodexACPAgent/load-session.test.ts
@@ -22,6 +22,8 @@ describe("CodexACPAgent - loadSession", () => {
             id: "gpt-5.2",
             model: "gpt-5.2",
             upgrade: null,
+            upgradeInfo: null,
+            availabilityNux: null,
             displayName: "GPT-5.2",
             description: "Test model",
             hidden: false,
@@ -42,6 +44,7 @@ describe("CodexACPAgent - loadSession", () => {
         const thread: Thread = {
             id: "session-1",
             preview: "Hi",
+            ephemeral: false,
             modelProvider: "openai",
             createdAt: 123,
             updatedAt: 124,
diff --git a/src/__tests__/CodexACPAgent/model-filtering.test.ts b/src/__tests__/CodexACPAgent/model-filtering.test.ts
index aacf2891..9cdc00ba 100644
--- a/src/__tests__/CodexACPAgent/model-filtering.test.ts
+++ b/src/__tests__/CodexACPAgent/model-filtering.test.ts
@@ -16,6 +16,9 @@ describe("Model filtering", () => {
             {
                 id: "gpt-5.2",
                 model: "gpt-5.2-model-field",
+                upgrade: null,
+                upgradeInfo: null,
+                availabilityNux: null,
                 displayName: "GPT-5.2",
                 description: "Allowed by id.",
                 hidden: false,
@@ -23,12 +26,14 @@ describe("Model filtering", () => {
                 defaultReasoningEffort: "medium",
                 supportsPersonality: false,
                 isDefault: false,
-                upgrade: null,
                 inputModalities: []
             },
             {
                 id: "other-id",
                 model: "gpt-5.2",
+                upgrade: null,
+                upgradeInfo: null,
+                availabilityNux: null,
                 displayName: "gpt-5.2",
                 description: "Allowed",
                 hidden: false,
@@ -36,12 +41,14 @@ describe("Model filtering", () => {
                 defaultReasoningEffort: "medium",
                 supportsPersonality: false,
                 isDefault: false,
-                upgrade: null,
                 inputModalities: []
             },
             {
                 id: "gpt-5.1-codex-mini",
                 model: "other-model",
+                upgrade: null,
+                upgradeInfo: null,
+                availabilityNux: null,
                 displayName: "Other",
                 description: "Allowed by id.",
                 hidden: false,
@@ -49,12 +56,14 @@ describe("Model filtering", () => {
                 defaultReasoningEffort: "medium",
                 supportsPersonality: false,
                 isDefault: false,
-                upgrade: null,
                 inputModalities: []
             },
             {
                 id: "gpt-4o",
                 model: "gpt-4o",
+                upgrade: null,
+                upgradeInfo: null,
+                availabilityNux: null,
                 displayName: "gpt-4o",
                 description: "Allowed.",
                 hidden: false,
@@ -62,7 +71,6 @@ describe("Model filtering", () => {
                 defaultReasoningEffort: "medium",
                 supportsPersonality: false,
                 isDefault: false,
-                upgrade: null,
                 inputModalities: []
             },
         ];
diff --git a/src/app-server/FileSystemPermissions.ts b/src/app-server/FileSystemPermissions.ts
index 9e03768d..aedf84de 100644
--- a/src/app-server/FileSystemPermissions.ts
+++ b/src/app-server/FileSystemPermissions.ts
@@ -1,5 +1,6 @@
 // GENERATED CODE! DO NOT MODIFY BY HAND!
 
 // This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually.
+import type { AbsolutePathBuf } from "./AbsolutePathBuf";
 
-export type FileSystemPermissions = { read: Array<string> | null, write: Array<string> | null, };
+export type FileSystemPermissions = { read: Array<AbsolutePathBuf> | null, write: Array<AbsolutePathBuf> | null, };
diff --git a/src/app-server/ResponseItem.ts b/src/app-server/ResponseItem.ts
index 611c7fb2..dd7621f0 100644
--- a/src/app-server/ResponseItem.ts
+++ b/src/app-server/ResponseItem.ts
@@ -15,4 +15,4 @@ export type ResponseItem = { "type": "message", role: string, content: Array<Con
 /**
  * Set when using the Responses API.
  */
-call_id: string | null, status: LocalShellStatus, action: LocalShellAction, } | { "type": "function_call", name: string, arguments: string, call_id: string, } | { "type": "function_call_output", call_id: string, output: FunctionCallOutputPayload, } | { "type": "custom_tool_call", status?: string, call_id: string, name: string, input: string, } | { "type": "custom_tool_call_output", call_id: string, output: string, } | { "type": "web_search_call", status?: string, action?: WebSearchAction, } | { "type": "ghost_snapshot", ghost_commit: GhostCommit, } | { "type": "compaction", encrypted_content: string, } | { "type": "other" };
+call_id: string | null, status: LocalShellStatus, action: LocalShellAction, } | { "type": "function_call", name: string, arguments: string, call_id: string, } | { "type": "function_call_output", call_id: string, output: FunctionCallOutputPayload, } | { "type": "custom_tool_call", status?: string, call_id: string, name: string, input: string, } | { "type": "custom_tool_call_output", call_id: string, output: FunctionCallOutputPayload, } | { "type": "web_search_call", status?: string, action?: WebSearchAction, } | { "type": "ghost_snapshot", ghost_commit: GhostCommit, } | { "type": "compaction", encrypted_content: string, } | { "type": "other" };
diff --git a/src/app-server/ServerNotification.ts b/src/app-server/ServerNotification.ts
index 9b082158..43345d90 100644
--- a/src/app-server/ServerNotification.ts
+++ b/src/app-server/ServerNotification.ts
@@ -27,6 +27,7 @@ import type { RawResponseItemCompletedNotification } from "./v2/RawResponseItemC
 import type { ReasoningSummaryPartAddedNotification } from "./v2/ReasoningSummaryPartAddedNotification";
 import type { ReasoningSummaryTextDeltaNotification } from "./v2/ReasoningSummaryTextDeltaNotification";
 import type { ReasoningTextDeltaNotification } from "./v2/ReasoningTextDeltaNotification";
+import type { ServerRequestResolvedNotification } from "./v2/ServerRequestResolvedNotification";
 import type { TerminalInteractionNotification } from "./v2/TerminalInteractionNotification";
 import type { ThreadArchivedNotification } from "./v2/ThreadArchivedNotification";
 import type { ThreadClosedNotification } from "./v2/ThreadClosedNotification";
@@ -50,4 +51,4 @@ import type { WindowsWorldWritableWarningNotification } from "./v2/WindowsWorldW
 /**
  * Notification sent from the server to the client.
  */
-export type ServerNotification = { "method": "error", "params": ErrorNotification } | { "method": "thread/started", "params": ThreadStartedNotification } | { "method": "thread/status/changed", "params": ThreadStatusChangedNotification } | { "method": "thread/archived", "params": ThreadArchivedNotification } | { "method": "thread/unarchived", "params": ThreadUnarchivedNotification } | { "method": "thread/closed", "params": ThreadClosedNotification } | { "method": "thread/name/updated", "params": ThreadNameUpdatedNotification } | { "method": "thread/tokenUsage/updated", "params": ThreadTokenUsageUpdatedNotification } | { "method": "turn/started", "params": TurnStartedNotification } | { "method": "turn/completed", "params": TurnCompletedNotification } | { "method": "turn/diff/updated", "params": TurnDiffUpdatedNotification } | { "method": "turn/plan/updated", "params": TurnPlanUpdatedNotification } | { "method": "item/started", "params": ItemStartedNotification } | { "method": "item/completed", "params": ItemCompletedNotification } | { "method": "rawResponseItem/completed", "params": RawResponseItemCompletedNotification } | { "method": "item/agentMessage/delta", "params": AgentMessageDeltaNotification } | { "method": "item/plan/delta", "params": PlanDeltaNotification } | { "method": "item/commandExecution/outputDelta", "params": CommandExecutionOutputDeltaNotification } | { "method": "item/commandExecution/terminalInteraction", "params": TerminalInteractionNotification } | { "method": "item/fileChange/outputDelta", "params": FileChangeOutputDeltaNotification } | { "method": "item/mcpToolCall/progress", "params": McpToolCallProgressNotification } | { "method": "mcpServer/oauthLogin/completed", "params": McpServerOauthLoginCompletedNotification } | { "method": "account/updated", "params": AccountUpdatedNotification } | { "method": "account/rateLimits/updated", "params": AccountRateLimitsUpdatedNotification } | { "method": "app/list/updated", "params": AppListUpdatedNotification } | { "method": "item/reasoning/summaryTextDelta", "params": ReasoningSummaryTextDeltaNotification } | { "method": "item/reasoning/summaryPartAdded", "params": ReasoningSummaryPartAddedNotification } | { "method": "item/reasoning/textDelta", "params": ReasoningTextDeltaNotification } | { "method": "thread/compacted", "params": ContextCompactedNotification } | { "method": "model/rerouted", "params": ModelReroutedNotification } | { "method": "deprecationNotice", "params": DeprecationNoticeNotification } | { "method": "configWarning", "params": ConfigWarningNotification } | { "method": "fuzzyFileSearch/sessionUpdated", "params": FuzzyFileSearchSessionUpdatedNotification } | { "method": "fuzzyFileSearch/sessionCompleted", "params": FuzzyFileSearchSessionCompletedNotification } | { "method": "thread/realtime/started", "params": ThreadRealtimeStartedNotification } | { "method": "thread/realtime/itemAdded", "params": ThreadRealtimeItemAddedNotification } | { "method": "thread/realtime/outputAudio/delta", "params": ThreadRealtimeOutputAudioDeltaNotification } | { "method": "thread/realtime/error", "params": ThreadRealtimeErrorNotification } | { "method": "thread/realtime/closed", "params": ThreadRealtimeClosedNotification } | { "method": "windows/worldWritableWarning", "params": WindowsWorldWritableWarningNotification } | { "method": "windowsSandbox/setupCompleted", "params": WindowsSandboxSetupCompletedNotification } | { "method": "account/login/completed", "params": AccountLoginCompletedNotification } | { "method": "authStatusChange", "params": AuthStatusChangeNotification } | { "method": "loginChatGptComplete", "params": LoginChatGptCompleteNotification } | { "method": "sessionConfigured", "params": SessionConfiguredNotification };
+export type ServerNotification = { "method": "error", "params": ErrorNotification } | { "method": "thread/started", "params": ThreadStartedNotification } | { "method": "thread/status/changed", "params": ThreadStatusChangedNotification } | { "method": "thread/archived", "params": ThreadArchivedNotification } | { "method": "thread/unarchived", "params": ThreadUnarchivedNotification } | { "method": "thread/closed", "params": ThreadClosedNotification } | { "method": "thread/name/updated", "params": ThreadNameUpdatedNotification } | { "method": "thread/tokenUsage/updated", "params": ThreadTokenUsageUpdatedNotification } | { "method": "turn/started", "params": TurnStartedNotification } | { "method": "turn/completed", "params": TurnCompletedNotification } | { "method": "turn/diff/updated", "params": TurnDiffUpdatedNotification } | { "method": "turn/plan/updated", "params": TurnPlanUpdatedNotification } | { "method": "item/started", "params": ItemStartedNotification } | { "method": "item/completed", "params": ItemCompletedNotification } | { "method": "rawResponseItem/completed", "params": RawResponseItemCompletedNotification } | { "method": "item/agentMessage/delta", "params": AgentMessageDeltaNotification } | { "method": "item/plan/delta", "params": PlanDeltaNotification } | { "method": "item/commandExecution/outputDelta", "params": CommandExecutionOutputDeltaNotification } | { "method": "item/commandExecution/terminalInteraction", "params": TerminalInteractionNotification } | { "method": "item/fileChange/outputDelta", "params": FileChangeOutputDeltaNotification } | { "method": "serverRequest/resolved", "params": ServerRequestResolvedNotification } | { "method": "item/mcpToolCall/progress", "params": McpToolCallProgressNotification } | { "method": "mcpServer/oauthLogin/completed", "params": McpServerOauthLoginCompletedNotification } | { "method": "account/updated", "params": AccountUpdatedNotification } | { "method": "account/rateLimits/updated", "params": AccountRateLimitsUpdatedNotification } | { "method": "app/list/updated", "params": AppListUpdatedNotification } | { "method": "item/reasoning/summaryTextDelta", "params": ReasoningSummaryTextDeltaNotification } | { "method": "item/reasoning/summaryPartAdded", "params": ReasoningSummaryPartAddedNotification } | { "method": "item/reasoning/textDelta", "params": ReasoningTextDeltaNotification } | { "method": "thread/compacted", "params": ContextCompactedNotification } | { "method": "model/rerouted", "params": ModelReroutedNotification } | { "method": "deprecationNotice", "params": DeprecationNoticeNotification } | { "method": "configWarning", "params": ConfigWarningNotification } | { "method": "fuzzyFileSearch/sessionUpdated", "params": FuzzyFileSearchSessionUpdatedNotification } | { "method": "fuzzyFileSearch/sessionCompleted", "params": FuzzyFileSearchSessionCompletedNotification } | { "method": "thread/realtime/started", "params": ThreadRealtimeStartedNotification } | { "method": "thread/realtime/itemAdded", "params": ThreadRealtimeItemAddedNotification } | { "method": "thread/realtime/outputAudio/delta", "params": ThreadRealtimeOutputAudioDeltaNotification } | { "method": "thread/realtime/error", "params": ThreadRealtimeErrorNotification } | { "method": "thread/realtime/closed", "params": ThreadRealtimeClosedNotification } | { "method": "windows/worldWritableWarning", "params": WindowsWorldWritableWarningNotification } | { "method": "windowsSandbox/setupCompleted", "params": WindowsSandboxSetupCompletedNotification } | { "method": "account/login/completed", "params": AccountLoginCompletedNotification } | { "method": "authStatusChange", "params": AuthStatusChangeNotification } | { "method": "loginChatGptComplete", "params": LoginChatGptCompleteNotification } | { "method": "sessionConfigured", "params": SessionConfiguredNotification };
diff --git a/src/app-server/v2/AdditionalFileSystemPermissions.ts b/src/app-server/v2/AdditionalFileSystemPermissions.ts
index fb45464f..0ed8a1b1 100644
--- a/src/app-server/v2/AdditionalFileSystemPermissions.ts
+++ b/src/app-server/v2/AdditionalFileSystemPermissions.ts
@@ -1,5 +1,6 @@
 // GENERATED CODE! DO NOT MODIFY BY HAND!
 
 // This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually.
+import type { AbsolutePathBuf } from "../AbsolutePathBuf";
 
-export type AdditionalFileSystemPermissions = { read: Array<string> | null, write: Array<string> | null, };
+export type AdditionalFileSystemPermissions = { read: Array<AbsolutePathBuf> | null, write: Array<AbsolutePathBuf> | null, };
diff --git a/src/app-server/v2/Model.ts b/src/app-server/v2/Model.ts
index de7b2401..cd991081 100644
--- a/src/app-server/v2/Model.ts
+++ b/src/app-server/v2/Model.ts
@@ -3,6 +3,8 @@
 // This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually.
 import type { InputModality } from "../InputModality";
 import type { ReasoningEffort } from "../ReasoningEffort";
+import type { ModelAvailabilityNux } from "./ModelAvailabilityNux";
+import type { ModelUpgradeInfo } from "./ModelUpgradeInfo";
 import type { ReasoningEffortOption } from "./ReasoningEffortOption";
 
-export type Model = { id: string, model: string, upgrade: string | null, displayName: string, description: string, hidden: boolean, supportedReasoningEfforts: Array<ReasoningEffortOption>, defaultReasoningEffort: ReasoningEffort, inputModalities: Array<InputModality>, supportsPersonality: boolean, isDefault: boolean, };
+export type Model = { id: string, model: string, upgrade: string | null, upgradeInfo: ModelUpgradeInfo | null, availabilityNux: ModelAvailabilityNux | null, displayName: string, description: string, hidden: boolean, supportedReasoningEfforts: Array<ReasoningEffortOption>, defaultReasoningEffort: ReasoningEffort, inputModalities: Array<InputModality>, supportsPersonality: boolean, isDefault: boolean, };
diff --git a/src/app-server/v2/ModelAvailabilityNux.ts b/src/app-server/v2/ModelAvailabilityNux.ts
new file mode 100644
index 00000000..7254aaec
--- /dev/null
+++ b/src/app-server/v2/ModelAvailabilityNux.ts
@@ -0,0 +1,5 @@
+// GENERATED CODE! DO NOT MODIFY BY HAND!
+
+// This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually.
+
+export type ModelAvailabilityNux = { message: string, };
diff --git a/src/app-server/v2/ModelUpgradeInfo.ts b/src/app-server/v2/ModelUpgradeInfo.ts
new file mode 100644
index 00000000..82d73e9d
--- /dev/null
+++ b/src/app-server/v2/ModelUpgradeInfo.ts
@@ -0,0 +1,5 @@
+// GENERATED CODE! DO NOT MODIFY BY HAND!
+
+// This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually.
+
+export type ModelUpgradeInfo = { model: string, upgradeCopy: string | null, modelLink: string | null, migrationMarkdown: string | null, };
diff --git a/src/app-server/v2/ServerRequestResolvedNotification.ts b/src/app-server/v2/ServerRequestResolvedNotification.ts
new file mode 100644
index 00000000..56c53cc4
--- /dev/null
+++ b/src/app-server/v2/ServerRequestResolvedNotification.ts
@@ -0,0 +1,6 @@
+// GENERATED CODE! DO NOT MODIFY BY HAND!
+
+// This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually.
+import type { RequestId } from "../RequestId";
+
+export type ServerRequestResolvedNotification = { threadId: string, requestId: RequestId, };
diff --git a/src/app-server/v2/Thread.ts b/src/app-server/v2/Thread.ts
index ee07081d..56c56884 100644
--- a/src/app-server/v2/Thread.ts
+++ b/src/app-server/v2/Thread.ts
@@ -11,6 +11,10 @@ export type Thread = { id: string,
  * Usually the first user message in the thread, if available.
  */
 preview: string, 
+/**
+ * Whether the thread is ephemeral and should not be materialized on disk.
+ */
+ephemeral: boolean, 
 /**
  * Model provider used for this thread (for example, 'openai').
  */
diff --git a/src/app-server/v2/index.ts b/src/app-server/v2/index.ts
index f74784c0..6779cb44 100644
--- a/src/app-server/v2/index.ts
+++ b/src/app-server/v2/index.ts
@@ -115,10 +115,12 @@ export type { McpToolCallResult } from "./McpToolCallResult";
 export type { McpToolCallStatus } from "./McpToolCallStatus";
 export type { MergeStrategy } from "./MergeStrategy";
 export type { Model } from "./Model";
+export type { ModelAvailabilityNux } from "./ModelAvailabilityNux";
 export type { ModelListParams } from "./ModelListParams";
 export type { ModelListResponse } from "./ModelListResponse";
 export type { ModelRerouteReason } from "./ModelRerouteReason";
 export type { ModelReroutedNotification } from "./ModelReroutedNotification";
+export type { ModelUpgradeInfo } from "./ModelUpgradeInfo";
 export type { NetworkAccess } from "./NetworkAccess";
 export type { NetworkApprovalContext } from "./NetworkApprovalContext";
 export type { NetworkApprovalProtocol } from "./NetworkApprovalProtocol";
@@ -149,6 +151,7 @@ export type { SandboxCommandAssessment } from "./SandboxCommandAssessment";
 export type { SandboxMode } from "./SandboxMode";
 export type { SandboxPolicy } from "./SandboxPolicy";
 export type { SandboxWorkspaceWrite } from "./SandboxWorkspaceWrite";
+export type { ServerRequestResolvedNotification } from "./ServerRequestResolvedNotification";
 export type { SessionSource } from "./SessionSource";
 export type { SkillApprovalDecision } from "./SkillApprovalDecision";
 export type { SkillDependencies } from "./SkillDependencies";