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

## 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
@@ -7224,13 +7224,9 @@
]
},
"service_tier": {
"anyOf": [
{
"$ref": "#/definitions/v2/ServiceTier"
},
{
"type": "null"
}
"type": [
"string",
"null"
]
},
"tools": {
@@ -13089,13 +13085,9 @@
]
},
"service_tier": {
"anyOf": [
{
"$ref": "#/definitions/v2/ServiceTier"
},
{
"type": "null"
}
"type": [
"string",
"null"
]
},
"tools": {
@@ -14624,13 +14616,6 @@
"title": "ServerRequestResolvedNotification",
"type": "object"
},
"ServiceTier": {
"enum": [
"fast",
"flex"
],
"type": "string"
},
"SessionMigration": {
"properties": {
"cwd": {
@@ -15573,20 +15558,9 @@
]
},
"serviceTier": {
"anyOf": [
{
"anyOf": [
{
"$ref": "#/definitions/v2/ServiceTier"
},
{
"type": "null"
}
]
},
{
"type": "null"
}
"type": [
"string",
"null"
]
},
"threadId": {
@@ -15660,13 +15634,9 @@
"description": "Legacy sandbox policy retained for compatibility. Experimental clients should prefer `permissionProfile` when they need exact runtime permissions."
},
"serviceTier": {
"anyOf": [
{
"$ref": "#/definitions/v2/ServiceTier"
},
{
"type": "null"
}
"type": [
"string",
"null"
]
},
"thread": {
@@ -17091,20 +17061,9 @@
]
},
"serviceTier": {
"anyOf": [
{
"anyOf": [
{
"$ref": "#/definitions/v2/ServiceTier"
},
{
"type": "null"
}
]
},
{
"type": "null"
}
"type": [
"string",
"null"
]
},
"threadId": {
@@ -17167,13 +17126,9 @@
"description": "Legacy sandbox policy retained for compatibility. Experimental clients should prefer `permissionProfile` when they need exact runtime permissions."
},
"serviceTier": {
"anyOf": [
{
"$ref": "#/definitions/v2/ServiceTier"
},
{
"type": "null"
}
"type": [
"string",
"null"
]
},
"thread": {
@@ -17399,20 +17354,9 @@
]
},
"serviceTier": {
"anyOf": [
{
"anyOf": [
{
"$ref": "#/definitions/v2/ServiceTier"
},
{
"type": "null"
}
]
},
{
"type": "null"
}
"type": [
"string",
"null"
]
},
"sessionStartSource": {
@@ -17490,13 +17434,9 @@
"description": "Legacy sandbox policy retained for compatibility. Experimental clients should prefer `permissionProfile` when they need exact runtime permissions."
},
"serviceTier": {
"anyOf": [
{
"$ref": "#/definitions/v2/ServiceTier"
},
{
"type": "null"
}
"type": [
"string",
"null"
]
},
"thread": {
@@ -18163,22 +18103,11 @@
"description": "Override the sandbox policy for this turn and subsequent turns."
},
"serviceTier": {
"anyOf": [
{
"anyOf": [
{
"$ref": "#/definitions/v2/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": [