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2- Use string service tiers in session protocol (#20971)

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## Summary
- break service tier session/op/app-server protocol fields from the
closed enum to string tier ids
- send the service tier string directly through model requests, prewarm,
compaction, memories, and TUI/app-server turn starts
- regenerate app-server protocol JSON/TypeScript schemas, removing the
standalone ServiceTier TS enum

## Verification
- just fmt
- cargo check -p codex-core -p codex-app-server -p codex-tui
- just write-app-server-schema

---------

Co-authored-by: Codex <noreply@openai.com>
This commit is contained in:
Ahmed Ibrahim
2026-05-06 18:00:21 +03:00
committed by GitHub
Unverified
parent ebd9ec05b4
commit be1d3cff93
65 changed files with 403 additions and 570 deletions
Download Patch File Download Diff File Expand all files Collapse all files
codex-rs/app-server-protocol/schema/json/v2/ConfigReadResponse.json
Generated
+6 -21
View File
@@ -352,13 +352,9 @@
]
},
"service_tier": {
"anyOf": [
{
"$ref": "#/definitions/ServiceTier"
},
{
"type": "null"
}
"type": [
"string",
"null"
]
},
"tools": {
@@ -658,13 +654,9 @@
]
},
"service_tier": {
"anyOf": [
{
"$ref": "#/definitions/ServiceTier"
},
{
"type": "null"
}
"type": [
"string",
"null"
]
},
"tools": {
@@ -754,13 +746,6 @@
},
"type": "object"
},
"ServiceTier": {
"enum": [
"fast",
"flex"
],
"type": "string"
},
"ToolsV2": {
"properties": {
"view_image": {
codex-rs/app-server-protocol/schema/json/v2/ThreadForkParams.json
Generated
+3 -21
View File
@@ -131,13 +131,6 @@
],
"type": "string"
},
"ServiceTier": {
"enum": [
"fast",
"flex"
],
"type": "string"
},
"ThreadSource": {
"enum": [
"user",
@@ -222,20 +215,9 @@
]
},
"serviceTier": {
"anyOf": [
{
"anyOf": [
{
"$ref": "#/definitions/ServiceTier"
},
{
"type": "null"
}
]
},
{
"type": "null"
}
"type": [
"string",
"null"
]
},
"threadId": {
codex-rs/app-server-protocol/schema/json/v2/ThreadForkResponse.json
Generated
+3 -14
View File
@@ -1177,13 +1177,6 @@
}
]
},
"ServiceTier": {
"enum": [
"fast",
"flex"
],
"type": "string"
},
"SessionSource": {
"oneOf": [
{
@@ -2615,13 +2608,9 @@
"description": "Legacy sandbox policy retained for compatibility. Experimental clients should prefer `permissionProfile` when they need exact runtime permissions."
},
"serviceTier": {
"anyOf": [
{
"$ref": "#/definitions/ServiceTier"
},
{
"type": "null"
}
"type": [
"string",
"null"
]
},
"thread": {
codex-rs/app-server-protocol/schema/json/v2/ThreadResumeParams.json
Generated
+3 -21
View File
@@ -1010,13 +1010,6 @@
"danger-full-access"
],
"type": "string"
},
"ServiceTier": {
"enum": [
"fast",
"flex"
],
"type": "string"
}
},
"description": "There are three ways to resume a thread: 1. By thread_id: load the thread from disk by thread_id and resume it. 2. By history: instantiate the thread from memory and resume it. 3. By path: load the thread from disk by path and resume it.\n\nThe precedence is: history > path > thread_id. If using history or path, the thread_id param will be ignored.\n\nPrefer using thread_id whenever possible.",
@@ -1101,20 +1094,9 @@
]
},
"serviceTier": {
"anyOf": [
{
"anyOf": [
{
"$ref": "#/definitions/ServiceTier"
},
{
"type": "null"
}
]
},
{
"type": "null"
}
"type": [
"string",
"null"
]
},
"threadId": {
codex-rs/app-server-protocol/schema/json/v2/ThreadResumeResponse.json
Generated
+3 -14
View File
@@ -1177,13 +1177,6 @@
}
]
},
"ServiceTier": {
"enum": [
"fast",
"flex"
],
"type": "string"
},
"SessionSource": {
"oneOf": [
{
@@ -2615,13 +2608,9 @@
"description": "Legacy sandbox policy retained for compatibility. Experimental clients should prefer `permissionProfile` when they need exact runtime permissions."
},
"serviceTier": {
"anyOf": [
{
"$ref": "#/definitions/ServiceTier"
},
{
"type": "null"
}
"type": [
"string",
"null"
]
},
"thread": {
codex-rs/app-server-protocol/schema/json/v2/ThreadStartParams.json
Generated
+3 -21
View File
@@ -165,13 +165,6 @@
],
"type": "string"
},
"ServiceTier": {
"enum": [
"fast",
"flex"
],
"type": "string"
},
"ThreadSource": {
"enum": [
"user",
@@ -295,20 +288,9 @@
]
},
"serviceTier": {
"anyOf": [
{
"anyOf": [
{
"$ref": "#/definitions/ServiceTier"
},
{
"type": "null"
}
]
},
{
"type": "null"
}
"type": [
"string",
"null"
]
},
"sessionStartSource": {
codex-rs/app-server-protocol/schema/json/v2/ThreadStartResponse.json
Generated
+3 -14
View File
@@ -1177,13 +1177,6 @@
}
]
},
"ServiceTier": {
"enum": [
"fast",
"flex"
],
"type": "string"
},
"SessionSource": {
"oneOf": [
{
@@ -2615,13 +2608,9 @@
"description": "Legacy sandbox policy retained for compatibility. Experimental clients should prefer `permissionProfile` when they need exact runtime permissions."
},
"serviceTier": {
"anyOf": [
{
"$ref": "#/definitions/ServiceTier"
},
{
"type": "null"
}
"type": [
"string",
"null"
]
},
"thread": {
codex-rs/app-server-protocol/schema/json/v2/TurnStartParams.json
Generated
+5 -23
View File
@@ -312,13 +312,6 @@
}
]
},
"ServiceTier": {
"enum": [
"fast",
"flex"
],
"type": "string"
},
"Settings": {
"description": "Settings for a collaboration mode.",
"properties": {
@@ -586,22 +579,11 @@
"description": "Override the sandbox policy for this turn and subsequent turns."
},
"serviceTier": {
"anyOf": [
{
"anyOf": [
{
"$ref": "#/definitions/ServiceTier"
},
{
"type": "null"
}
]
},
{
"type": "null"
}
],
"description": "Override the service tier for this turn and subsequent turns."
"description": "Override the service tier for this turn and subsequent turns.",
"type": [
"string",
"null"
]
},
"summary": {
"anyOf": [