Add maximum: 360 to timeout-minutes schema to enforce GitHub Actions runner limit (#24931)

Copilot · web-flow · commit a0e2a19b7e5c · 2026-04-06T11:49:17.000-07:00
diff --git a/pkg/parser/schemas/main_workflow_schema.json b/pkg/parser/schemas/main_workflow_schema.json
@@ -2542,11 +2542,12 @@
       "examples": ["self-hosted", "ubuntu-latest", "ubuntu-22.04"]
     },
     "timeout-minutes": {
-      "description": "Workflow timeout in minutes (GitHub Actions standard field). Defaults to 20 minutes for agentic workflows. Has sensible defaults and can typically be omitted. Supports GitHub Actions expressions (e.g. '${{ inputs.timeout }}') for reusable workflow_call workflows.",
+      "description": "Workflow timeout in minutes (GitHub Actions standard field). Defaults to 20 minutes for agentic workflows. Has sensible defaults and can typically be omitted. Maximum is 360 minutes (6 hours), matching the GitHub-hosted runner limit enforced at schema validation time. Supports GitHub Actions expressions (e.g. '${{ inputs.timeout }}') for reusable workflow_call workflows.",
       "oneOf": [
         {
           "type": "integer",
           "minimum": 1,
+          "maximum": 360,
           "examples": [5, 10, 30]
         },
         {

Original file line number	Diff line number	Diff line change
`@@ -2542,11 +2542,12 @@`
`2542`	`2542`	`"examples": ["self-hosted", "ubuntu-latest", "ubuntu-22.04"]`
`2543`	`2543`	`},`
`2544`	`2544`	`"timeout-minutes": {`
`2545`		`- "description": "Workflow timeout in minutes (GitHub Actions standard field). Defaults to 20 minutes for agentic workflows. Has sensible defaults and can typically be omitted. Supports GitHub Actions expressions (e.g. '${{ inputs.timeout }}') for reusable workflow_call workflows.",`
	`2545`	`+ "description": "Workflow timeout in minutes (GitHub Actions standard field). Defaults to 20 minutes for agentic workflows. Has sensible defaults and can typically be omitted. Maximum is 360 minutes (6 hours), matching the GitHub-hosted runner limit enforced at schema validation time. Supports GitHub Actions expressions (e.g. '${{ inputs.timeout }}') for reusable workflow_call workflows.",`
`2546`	`2546`	`"oneOf": [`
`2547`	`2547`	`{`
`2548`	`2548`	`"type": "integer",`
`2549`	`2549`	`"minimum": 1,`
	`2550`	`+ "maximum": 360,`
`2550`	`2551`	`"examples": [5, 10, 30]`
`2551`	`2552`	`},`
`2552`	`2553`	`{`