From a62e14c63ca3d54420e9281da1e2f32da34f1112 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Wed, 2 Sep 2026 14:07:49 +0000
Subject: [PATCH 1/5] Initial plan


From 849178f3db3de91da2b9880bf0393a844c7e0f60 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Wed, 2 Sep 2026 14:18:41 +0000
Subject: [PATCH 2/5] fix: pin supported agentic triage model

Co-authored-by: timotheeguerin <1031227+timotheeguerin@users.noreply.github.com>
---
 .github/workflows/issue-triage.lock.yml | 10 +++++-----
 .github/workflows/issue-triage.md       |  4 +++-
 2 files changed, 8 insertions(+), 6 deletions(-)

diff --git a/.github/workflows/issue-triage.lock.yml b/.github/workflows/issue-triage.lock.yml
index 5943f851997..5d1b715a2d5 100644
--- a/.github/workflows/issue-triage.lock.yml
+++ b/.github/workflows/issue-triage.lock.yml
@@ -1,4 +1,4 @@
-# gh-aw-metadata: {"schema_version":"v4","frontmatter_hash":"8b0bbc53b3d63c941c26cc93d88899710eed1f2c676e92503d7d6379f27587a5","body_hash":"ef788212cfa954711ccfc8df3f4873be401cd57d0bf129bf260cf75943dc8ea3","compiler_version":"v0.80.9","strict":true,"agent_id":"copilot","engine_versions":{"copilot":"1.0.63"}}
+# gh-aw-metadata: {"schema_version":"v4","frontmatter_hash":"a4eb625f7c9101b88c4828c6e06ccc5de72daa7e5cb517a5c69ec4bdea397e22","body_hash":"ef788212cfa954711ccfc8df3f4873be401cd57d0bf129bf260cf75943dc8ea3","compiler_version":"v0.80.9","strict":true,"agent_id":"copilot","agent_model":"claude-sonnet-5","engine_versions":{"copilot":"1.0.63"}}
 # gh-aw-manifest: {"version":1,"secrets":["GH_AW_GITHUB_MCP_SERVER_TOKEN","GH_AW_GITHUB_TOKEN","GITHUB_TOKEN"],"actions":[{"repo":"actions/cache/restore","sha":"27d5ce7f107fe9357f9df03efb73ab90386fccae","version":"v5.0.5"},{"repo":"actions/cache/save","sha":"27d5ce7f107fe9357f9df03efb73ab90386fccae","version":"v5.0.5"},{"repo":"actions/checkout","sha":"9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0","version":"v7.0.0"},{"repo":"actions/download-artifact","sha":"3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c","version":"v8.0.1"},{"repo":"actions/github-script","sha":"3a2844b7e9c422d3c10d287c895573f7108da1b3","version":"v9.0.0"},{"repo":"actions/setup-node","sha":"48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e","version":"v6.4.0"},{"repo":"actions/upload-artifact","sha":"043fb46d1a93c77aae656e7c1c64a875d1fc6a0a","version":"v7.0.1"},{"repo":"github/gh-aw-actions/setup","sha":"8c7d04ebf1ece56cd381446125da3e0f6896294a","version":"v0.80.9"}],"containers":[{"image":"ghcr.io/github/gh-aw-firewall/agent:0.27.7","digest":"sha256:aae231e4635c8999d039c132f1602d3df850fe9b84a00aa2b5ac981179b5661c","pinned_image":"ghcr.io/github/gh-aw-firewall/agent:0.27.7@sha256:aae231e4635c8999d039c132f1602d3df850fe9b84a00aa2b5ac981179b5661c"},{"image":"ghcr.io/github/gh-aw-firewall/api-proxy:0.27.7","digest":"sha256:009caf2e3d88fa77b64e9a03a95a228fc58db0f1701c6d324b29ba5a3c7c79b6","pinned_image":"ghcr.io/github/gh-aw-firewall/api-proxy:0.27.7@sha256:009caf2e3d88fa77b64e9a03a95a228fc58db0f1701c6d324b29ba5a3c7c79b6"},{"image":"ghcr.io/github/gh-aw-firewall/squid:0.27.7","digest":"sha256:deb1d4e19de62d51cee0508057a596a19315c3423ada4d675cad136dc8037c96","pinned_image":"ghcr.io/github/gh-aw-firewall/squid:0.27.7@sha256:deb1d4e19de62d51cee0508057a596a19315c3423ada4d675cad136dc8037c96"},{"image":"ghcr.io/github/gh-aw-mcpg:v0.3.27","digest":"sha256:fe984bddde4ec05d756d9043edb0a32912e6b7b72f6a121b1082f29221421cc7","pinned_image":"ghcr.io/github/gh-aw-mcpg:v0.3.27@sha256:fe984bddde4ec05d756d9043edb0a32912e6b7b72f6a121b1082f29221421cc7"},{"image":"ghcr.io/github/gh-aw-node","digest":"sha256:529d02eb970b1161aa25c593a9c3df57fdfad5a8add328cb3b6eccef66f3183b","pinned_image":"ghcr.io/github/gh-aw-node@sha256:529d02eb970b1161aa25c593a9c3df57fdfad5a8add328cb3b6eccef66f3183b"},{"image":"ghcr.io/github/github-mcp-server:v1.4.0","digest":"sha256:2afb26356481d1a350e14544a6e160f7f7ec1561a1ea309b823665abf0309036","pinned_image":"ghcr.io/github/github-mcp-server:v1.4.0@sha256:2afb26356481d1a350e14544a6e160f7f7ec1561a1ea309b823665abf0309036"}]}
 # This file was automatically generated by gh-aw (v0.80.9). DO NOT EDIT. To debug this workflow, load the skill at https://github.com/github/gh-aw/blob/main/debug.md
 #
@@ -123,7 +123,7 @@ jobs:
         env:
           GH_AW_INFO_ENGINE_ID: "copilot"
           GH_AW_INFO_ENGINE_NAME: "GitHub Copilot CLI"
-          GH_AW_INFO_MODEL: ${{ vars.GH_AW_MODEL_AGENT_COPILOT || vars.GH_AW_DEFAULT_MODEL_COPILOT || 'claude-sonnet-4.6' }}
+          GH_AW_INFO_MODEL: "claude-sonnet-5"
           GH_AW_INFO_VERSION: "1.0.63"
           GH_AW_INFO_AGENT_VERSION: "1.0.63"
           GH_AW_INFO_CLI_VERSION: "v0.80.9"
@@ -843,7 +843,7 @@ jobs:
           COPILOT_AGENT_RUNNER_TYPE: STANDALONE
           COPILOT_DUMMY_BYOK: dummy-byok-key-for-offline-mode
           COPILOT_GITHUB_TOKEN: ${{ github.token }}
-          COPILOT_MODEL: ${{ vars.GH_AW_MODEL_AGENT_COPILOT || vars.GH_AW_DEFAULT_MODEL_COPILOT || 'claude-sonnet-4.6' }}
+          COPILOT_MODEL: claude-sonnet-5
           GH_AW_MAX_AI_CREDITS: ${{ vars.GH_AW_DEFAULT_MAX_AI_CREDITS || '1000' }}
           GH_AW_MAX_TURNS: ${{ vars.GH_AW_DEFAULT_MAX_TURNS || '' }}
           GH_AW_PHASE: agent
@@ -1443,7 +1443,7 @@ jobs:
           COPILOT_AGENT_RUNNER_TYPE: STANDALONE
           COPILOT_DUMMY_BYOK: dummy-byok-key-for-offline-mode
           COPILOT_GITHUB_TOKEN: ${{ github.token }}
-          COPILOT_MODEL: ${{ vars.GH_AW_MODEL_DETECTION_COPILOT || vars.GH_AW_DEFAULT_MODEL_COPILOT || 'claude-sonnet-4.6' }}
+          COPILOT_MODEL: claude-sonnet-5
           GH_AW_MAX_AI_CREDITS: ${{ vars.GH_AW_DEFAULT_DETECTION_MAX_AI_CREDITS || '400' }}
           GH_AW_MAX_TURNS: ${{ vars.GH_AW_DEFAULT_MAX_TURNS || '' }}
           GH_AW_PHASE: detection
@@ -1539,7 +1539,7 @@ jobs:
       GH_AW_DETECTION_REASON: ${{ needs.detection.outputs.detection_reason }}
       GH_AW_EFFECTIVE_TOKENS: ${{ needs.agent.outputs.effective_tokens }}
       GH_AW_ENGINE_ID: "copilot"
-      GH_AW_ENGINE_MODEL: ${{ needs.agent.outputs.model }}
+      GH_AW_ENGINE_MODEL: "claude-sonnet-5"
       GH_AW_ENGINE_VERSION: "1.0.63"
       GH_AW_SAFE_OUTPUT_MESSAGES: "{\"footer\":\"\\u003e  Generated by [{workflow_name}]({run_url})\",\"footerInstall\":\"\\u003c!-- --\\u003e\"}"
       GH_AW_THREAT_DETECTION_AIC: ${{ needs.detection.outputs.aic }}
diff --git a/.github/workflows/issue-triage.md b/.github/workflows/issue-triage.md
index c5716b9f03f..e922ab960ad 100644
--- a/.github/workflows/issue-triage.md
+++ b/.github/workflows/issue-triage.md
@@ -43,7 +43,9 @@ tools:
 
 timeout-minutes: 10
 source: githubnext/agentics/workflows/issue-triage.md@346204513ecfa08b81566450d7d599556807389f
-engine: copilot
+engine:
+  id: copilot
+  model: claude-sonnet-5
 ---
 
 # Agentic Triage

From 15bc6544e8c68a68c00a03135e88da9d3e01950b Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Wed, 2 Sep 2026 14:36:41 +0000
Subject: [PATCH 3/5] fix: pin agentic workflows to gpt-5

Co-authored-by: timotheeguerin <1031227+timotheeguerin@users.noreply.github.com>
---
 .github/workflows/bump-tcgc-csharp.lock.yml | 18 +++++++++---------
 .github/workflows/bump-tcgc-csharp.md       |  8 +++++---
 .github/workflows/issue-triage.lock.yml     | 10 +++++-----
 .github/workflows/issue-triage.md           |  2 +-
 4 files changed, 20 insertions(+), 18 deletions(-)

diff --git a/.github/workflows/bump-tcgc-csharp.lock.yml b/.github/workflows/bump-tcgc-csharp.lock.yml
index 01f25c223fc..f6a1186729a 100644
--- a/.github/workflows/bump-tcgc-csharp.lock.yml
+++ b/.github/workflows/bump-tcgc-csharp.lock.yml
@@ -1,4 +1,4 @@
-# gh-aw-metadata: {"schema_version":"v4","frontmatter_hash":"4bce994486f2837b737cce31d5707dd1456cb4bafaafdc4ff09c8cb150552d91","body_hash":"0672ac9b4a43e5dcc48bcae9180670823a85d2835f527baa0e0eb12d35db6c41","compiler_version":"v0.80.9","strict":true,"agent_id":"copilot","engine_versions":{"copilot":"1.0.63"}}
+# gh-aw-metadata: {"schema_version":"v4","frontmatter_hash":"d41ecf11bab9baae4a62ed87e69caa06d7794799cfa052474d1c15a2cc56a783","body_hash":"edddedbaedbee5705c12b28111a81bfbff0f122358b743523d0fad7fdab6e180","compiler_version":"v0.80.9","strict":true,"agent_id":"copilot","agent_model":"gpt-5","engine_versions":{"copilot":"1.0.63"}}
 # gh-aw-manifest: {"version":1,"secrets":["GH_AW_AGENT_TOKEN","GH_AW_GITHUB_MCP_SERVER_TOKEN","GH_AW_GITHUB_TOKEN","GITHUB_TOKEN"],"actions":[{"repo":"actions/cache/restore","sha":"27d5ce7f107fe9357f9df03efb73ab90386fccae","version":"v5.0.5"},{"repo":"actions/cache/save","sha":"27d5ce7f107fe9357f9df03efb73ab90386fccae","version":"v5.0.5"},{"repo":"actions/checkout","sha":"9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0","version":"v7.0.0"},{"repo":"actions/download-artifact","sha":"3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c","version":"v8.0.1"},{"repo":"actions/github-script","sha":"3a2844b7e9c422d3c10d287c895573f7108da1b3","version":"v9.0.0"},{"repo":"actions/setup-node","sha":"48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e","version":"v6.4.0"},{"repo":"actions/upload-artifact","sha":"043fb46d1a93c77aae656e7c1c64a875d1fc6a0a","version":"v7.0.1"},{"repo":"github/gh-aw-actions/setup","sha":"8c7d04ebf1ece56cd381446125da3e0f6896294a","version":"v0.80.9"}],"containers":[{"image":"ghcr.io/github/gh-aw-firewall/agent:0.27.7","digest":"sha256:aae231e4635c8999d039c132f1602d3df850fe9b84a00aa2b5ac981179b5661c","pinned_image":"ghcr.io/github/gh-aw-firewall/agent:0.27.7@sha256:aae231e4635c8999d039c132f1602d3df850fe9b84a00aa2b5ac981179b5661c"},{"image":"ghcr.io/github/gh-aw-firewall/api-proxy:0.27.7","digest":"sha256:009caf2e3d88fa77b64e9a03a95a228fc58db0f1701c6d324b29ba5a3c7c79b6","pinned_image":"ghcr.io/github/gh-aw-firewall/api-proxy:0.27.7@sha256:009caf2e3d88fa77b64e9a03a95a228fc58db0f1701c6d324b29ba5a3c7c79b6"},{"image":"ghcr.io/github/gh-aw-firewall/squid:0.27.7","digest":"sha256:deb1d4e19de62d51cee0508057a596a19315c3423ada4d675cad136dc8037c96","pinned_image":"ghcr.io/github/gh-aw-firewall/squid:0.27.7@sha256:deb1d4e19de62d51cee0508057a596a19315c3423ada4d675cad136dc8037c96"},{"image":"ghcr.io/github/gh-aw-mcpg:v0.3.27","digest":"sha256:fe984bddde4ec05d756d9043edb0a32912e6b7b72f6a121b1082f29221421cc7","pinned_image":"ghcr.io/github/gh-aw-mcpg:v0.3.27@sha256:fe984bddde4ec05d756d9043edb0a32912e6b7b72f6a121b1082f29221421cc7"},{"image":"ghcr.io/github/gh-aw-node","digest":"sha256:529d02eb970b1161aa25c593a9c3df57fdfad5a8add328cb3b6eccef66f3183b","pinned_image":"ghcr.io/github/gh-aw-node@sha256:529d02eb970b1161aa25c593a9c3df57fdfad5a8add328cb3b6eccef66f3183b"},{"image":"ghcr.io/github/github-mcp-server:v1.4.0","digest":"sha256:2afb26356481d1a350e14544a6e160f7f7ec1561a1ea309b823665abf0309036","pinned_image":"ghcr.io/github/github-mcp-server:v1.4.0@sha256:2afb26356481d1a350e14544a6e160f7f7ec1561a1ea309b823665abf0309036"}]}
 # This file was automatically generated by gh-aw (v0.80.9). DO NOT EDIT. To debug this workflow, load the skill at https://github.com/github/gh-aw/blob/main/debug.md
 #
@@ -112,7 +112,7 @@ jobs:
         env:
           GH_AW_INFO_ENGINE_ID: "copilot"
           GH_AW_INFO_ENGINE_NAME: "GitHub Copilot CLI"
-          GH_AW_INFO_MODEL: ${{ vars.GH_AW_MODEL_AGENT_COPILOT || vars.GH_AW_DEFAULT_MODEL_COPILOT || 'claude-sonnet-4.6' }}
+          GH_AW_INFO_MODEL: "gpt-5"
           GH_AW_INFO_VERSION: "1.0.63"
           GH_AW_INFO_AGENT_VERSION: "1.0.63"
           GH_AW_INFO_CLI_VERSION: "v0.80.9"
@@ -494,9 +494,9 @@ jobs:
           mkdir -p "${RUNNER_TEMP}/gh-aw/safeoutputs"
           mkdir -p /tmp/gh-aw/safeoutputs
           mkdir -p /tmp/gh-aw/mcp-logs/safeoutputs
-          cat > "${RUNNER_TEMP}/gh-aw/safeoutputs/config.json" << 'GH_AW_SAFE_OUTPUTS_CONFIG_4e6e75277b3fd3e2_EOF'
-          {"assign_to_agent":{"max":1,"model":"claude-opus-4.6","name":"copilot"},"create_issue":{"assignees":["copilot"],"labels":["emitter:client:csharp"],"max":1,"title_prefix":"Bump TCGC to "},"create_report_incomplete_issue":{},"missing_data":{},"missing_tool":{},"noop":{"max":1,"report-as-issue":"false"},"report_incomplete":{}}
-          GH_AW_SAFE_OUTPUTS_CONFIG_4e6e75277b3fd3e2_EOF
+          cat > "${RUNNER_TEMP}/gh-aw/safeoutputs/config.json" << 'GH_AW_SAFE_OUTPUTS_CONFIG_ba084c4ad4c14bb2_EOF'
+          {"assign_to_agent":{"max":1,"model":"gpt-5","name":"copilot"},"create_issue":{"assignees":["copilot"],"labels":["emitter:client:csharp"],"max":1,"title_prefix":"Bump TCGC to "},"create_report_incomplete_issue":{},"missing_data":{},"missing_tool":{},"noop":{"max":1,"report-as-issue":"false"},"report_incomplete":{}}
+          GH_AW_SAFE_OUTPUTS_CONFIG_ba084c4ad4c14bb2_EOF
       - name: Generate Safe Outputs Tools
         env:
           GH_AW_TOOLS_META_JSON: |
@@ -828,7 +828,7 @@ jobs:
           COPILOT_AGENT_RUNNER_TYPE: STANDALONE
           COPILOT_DUMMY_BYOK: dummy-byok-key-for-offline-mode
           COPILOT_GITHUB_TOKEN: ${{ github.token }}
-          COPILOT_MODEL: ${{ vars.GH_AW_MODEL_AGENT_COPILOT || vars.GH_AW_DEFAULT_MODEL_COPILOT || 'claude-sonnet-4.6' }}
+          COPILOT_MODEL: gpt-5
           GH_AW_MAX_AI_CREDITS: ${{ vars.GH_AW_DEFAULT_MAX_AI_CREDITS || '1000' }}
           GH_AW_MAX_TURNS: ${{ vars.GH_AW_DEFAULT_MAX_TURNS || '' }}
           GH_AW_PHASE: agent
@@ -1420,7 +1420,7 @@ jobs:
           COPILOT_AGENT_RUNNER_TYPE: STANDALONE
           COPILOT_DUMMY_BYOK: dummy-byok-key-for-offline-mode
           COPILOT_GITHUB_TOKEN: ${{ github.token }}
-          COPILOT_MODEL: ${{ vars.GH_AW_MODEL_DETECTION_COPILOT || vars.GH_AW_DEFAULT_MODEL_COPILOT || 'claude-sonnet-4.6' }}
+          COPILOT_MODEL: gpt-5
           GH_AW_MAX_AI_CREDITS: ${{ vars.GH_AW_DEFAULT_DETECTION_MAX_AI_CREDITS || '400' }}
           GH_AW_MAX_TURNS: ${{ vars.GH_AW_DEFAULT_MAX_TURNS || '' }}
           GH_AW_PHASE: detection
@@ -1515,7 +1515,7 @@ jobs:
       GH_AW_DETECTION_REASON: ${{ needs.detection.outputs.detection_reason }}
       GH_AW_EFFECTIVE_TOKENS: ${{ needs.agent.outputs.effective_tokens }}
       GH_AW_ENGINE_ID: "copilot"
-      GH_AW_ENGINE_MODEL: ${{ needs.agent.outputs.model }}
+      GH_AW_ENGINE_MODEL: "gpt-5"
       GH_AW_ENGINE_VERSION: "1.0.63"
       GH_AW_SAFE_OUTPUT_MESSAGES: "{\"footer\":\"\\u003e  Generated by [{workflow_name}]({run_url})\",\"footerInstall\":\"\\u003c!-- --\\u003e\"}"
       GH_AW_THREAT_DETECTION_AIC: ${{ needs.detection.outputs.aic }}
@@ -1581,7 +1581,7 @@ jobs:
           GH_AW_ALLOWED_DOMAINS: "api.business.githubcopilot.com,api.enterprise.githubcopilot.com,api.github.com,api.githubcopilot.com,api.individual.githubcopilot.com,api.snapcraft.io,archive.ubuntu.com,azure.archive.ubuntu.com,crl.geotrust.com,crl.globalsign.com,crl.identrust.com,crl.sectigo.com,crl.thawte.com,crl.usertrust.com,crl.verisign.com,crl3.digicert.com,crl4.digicert.com,crls.ssl.com,github.com,host.docker.internal,json-schema.org,json.schemastore.org,keyserver.ubuntu.com,ocsp.digicert.com,ocsp.geotrust.com,ocsp.globalsign.com,ocsp.identrust.com,ocsp.sectigo.com,ocsp.ssl.com,ocsp.thawte.com,ocsp.usertrust.com,ocsp.verisign.com,packagecloud.io,packages.cloud.google.com,packages.microsoft.com,ppa.launchpad.net,raw.githubusercontent.com,registry.npmjs.org,s.symcb.com,s.symcd.com,security.ubuntu.com,telemetry.enterprise.githubcopilot.com,ts-crl.ws.symantec.com,ts-ocsp.ws.symantec.com,www.googleapis.com"
           GITHUB_SERVER_URL: ${{ github.server_url }}
           GITHUB_API_URL: ${{ github.api_url }}
-          GH_AW_SAFE_OUTPUTS_HANDLER_CONFIG: "{\"assign_to_agent\":{\"max\":1,\"model\":\"claude-opus-4.6\",\"name\":\"copilot\"},\"create_issue\":{\"assignees\":[\"copilot\"],\"labels\":[\"emitter:client:csharp\"],\"max\":1,\"title_prefix\":\"Bump TCGC to \"},\"create_report_incomplete_issue\":{},\"missing_data\":{},\"missing_tool\":{},\"noop\":{\"max\":1,\"report-as-issue\":\"false\"},\"report_incomplete\":{}}"
+          GH_AW_SAFE_OUTPUTS_HANDLER_CONFIG: "{\"assign_to_agent\":{\"max\":1,\"model\":\"gpt-5\",\"name\":\"copilot\"},\"create_issue\":{\"assignees\":[\"copilot\"],\"labels\":[\"emitter:client:csharp\"],\"max\":1,\"title_prefix\":\"Bump TCGC to \"},\"create_report_incomplete_issue\":{},\"missing_data\":{},\"missing_tool\":{},\"noop\":{\"max\":1,\"report-as-issue\":\"false\"},\"report_incomplete\":{}}"
           GH_AW_ASSIGN_COPILOT: "true"
           GH_AW_ASSIGN_TO_AGENT_TOKEN: ${{ secrets.GH_AW_AGENT_TOKEN || secrets.GH_AW_GITHUB_TOKEN || secrets.GITHUB_TOKEN }}
         with:
diff --git a/.github/workflows/bump-tcgc-csharp.md b/.github/workflows/bump-tcgc-csharp.md
index f4114b804ca..c0869e76974 100644
--- a/.github/workflows/bump-tcgc-csharp.md
+++ b/.github/workflows/bump-tcgc-csharp.md
@@ -28,7 +28,7 @@ safe-outputs:
     assignees: [copilot]
   assign-to-agent:
     name: "copilot"
-    model: "claude-opus-4.6"
+    model: "gpt-5"
 
 tools:
   web-fetch:
@@ -40,7 +40,9 @@ tools:
     lockdown: false
 
 timeout-minutes: 15
-engine: copilot
+engine:
+  id: copilot
+  model: gpt-5
 ---
 
 # Agentic TCGC Bump for http-client-csharp
@@ -78,7 +80,7 @@ You're an automation assistant for the TypeSpec GitHub repository. Your task is
      Replace `<LATEST_STABLE>` with the actual version (e.g. `0.67.2`) and `<anchor>` with the GitHub-style heading anchor for that version on the CHANGELOG page (lowercased, dots removed — e.g. `0.67.2` → `0672`).
 
    - **Labels**: `emitter:client:csharp` is applied automatically via the workflow's `safe-outputs.create-issue.labels` configuration.
-   - **Assignees**: `copilot` is assigned automatically via the `assignees: [copilot]` setting in the workflow's `create-issue` configuration. The `assign-to-agent` block sets `claude-opus-4.6` as the default model for the Copilot coding agent.
+   - **Assignees**: `copilot` is assigned automatically via the `assignees: [copilot]` setting in the workflow's `create-issue` configuration. The `assign-to-agent` block sets `gpt-5` as the default model for the Copilot coding agent.
 
    Do not perform the upgrade in this workflow — the Copilot coding agent picks up the issue once assigned and follows `.github/prompts/upgrade-tcgc.instructions.md`.
 
diff --git a/.github/workflows/issue-triage.lock.yml b/.github/workflows/issue-triage.lock.yml
index 5d1b715a2d5..e2f4bb67ef2 100644
--- a/.github/workflows/issue-triage.lock.yml
+++ b/.github/workflows/issue-triage.lock.yml
@@ -1,4 +1,4 @@
-# gh-aw-metadata: {"schema_version":"v4","frontmatter_hash":"a4eb625f7c9101b88c4828c6e06ccc5de72daa7e5cb517a5c69ec4bdea397e22","body_hash":"ef788212cfa954711ccfc8df3f4873be401cd57d0bf129bf260cf75943dc8ea3","compiler_version":"v0.80.9","strict":true,"agent_id":"copilot","agent_model":"claude-sonnet-5","engine_versions":{"copilot":"1.0.63"}}
+# gh-aw-metadata: {"schema_version":"v4","frontmatter_hash":"5c8cd456f0bf27556f8878e65f06a8eca6124441b02639d1b3b45211cbfa6291","body_hash":"ef788212cfa954711ccfc8df3f4873be401cd57d0bf129bf260cf75943dc8ea3","compiler_version":"v0.80.9","strict":true,"agent_id":"copilot","agent_model":"gpt-5","engine_versions":{"copilot":"1.0.63"}}
 # gh-aw-manifest: {"version":1,"secrets":["GH_AW_GITHUB_MCP_SERVER_TOKEN","GH_AW_GITHUB_TOKEN","GITHUB_TOKEN"],"actions":[{"repo":"actions/cache/restore","sha":"27d5ce7f107fe9357f9df03efb73ab90386fccae","version":"v5.0.5"},{"repo":"actions/cache/save","sha":"27d5ce7f107fe9357f9df03efb73ab90386fccae","version":"v5.0.5"},{"repo":"actions/checkout","sha":"9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0","version":"v7.0.0"},{"repo":"actions/download-artifact","sha":"3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c","version":"v8.0.1"},{"repo":"actions/github-script","sha":"3a2844b7e9c422d3c10d287c895573f7108da1b3","version":"v9.0.0"},{"repo":"actions/setup-node","sha":"48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e","version":"v6.4.0"},{"repo":"actions/upload-artifact","sha":"043fb46d1a93c77aae656e7c1c64a875d1fc6a0a","version":"v7.0.1"},{"repo":"github/gh-aw-actions/setup","sha":"8c7d04ebf1ece56cd381446125da3e0f6896294a","version":"v0.80.9"}],"containers":[{"image":"ghcr.io/github/gh-aw-firewall/agent:0.27.7","digest":"sha256:aae231e4635c8999d039c132f1602d3df850fe9b84a00aa2b5ac981179b5661c","pinned_image":"ghcr.io/github/gh-aw-firewall/agent:0.27.7@sha256:aae231e4635c8999d039c132f1602d3df850fe9b84a00aa2b5ac981179b5661c"},{"image":"ghcr.io/github/gh-aw-firewall/api-proxy:0.27.7","digest":"sha256:009caf2e3d88fa77b64e9a03a95a228fc58db0f1701c6d324b29ba5a3c7c79b6","pinned_image":"ghcr.io/github/gh-aw-firewall/api-proxy:0.27.7@sha256:009caf2e3d88fa77b64e9a03a95a228fc58db0f1701c6d324b29ba5a3c7c79b6"},{"image":"ghcr.io/github/gh-aw-firewall/squid:0.27.7","digest":"sha256:deb1d4e19de62d51cee0508057a596a19315c3423ada4d675cad136dc8037c96","pinned_image":"ghcr.io/github/gh-aw-firewall/squid:0.27.7@sha256:deb1d4e19de62d51cee0508057a596a19315c3423ada4d675cad136dc8037c96"},{"image":"ghcr.io/github/gh-aw-mcpg:v0.3.27","digest":"sha256:fe984bddde4ec05d756d9043edb0a32912e6b7b72f6a121b1082f29221421cc7","pinned_image":"ghcr.io/github/gh-aw-mcpg:v0.3.27@sha256:fe984bddde4ec05d756d9043edb0a32912e6b7b72f6a121b1082f29221421cc7"},{"image":"ghcr.io/github/gh-aw-node","digest":"sha256:529d02eb970b1161aa25c593a9c3df57fdfad5a8add328cb3b6eccef66f3183b","pinned_image":"ghcr.io/github/gh-aw-node@sha256:529d02eb970b1161aa25c593a9c3df57fdfad5a8add328cb3b6eccef66f3183b"},{"image":"ghcr.io/github/github-mcp-server:v1.4.0","digest":"sha256:2afb26356481d1a350e14544a6e160f7f7ec1561a1ea309b823665abf0309036","pinned_image":"ghcr.io/github/github-mcp-server:v1.4.0@sha256:2afb26356481d1a350e14544a6e160f7f7ec1561a1ea309b823665abf0309036"}]}
 # This file was automatically generated by gh-aw (v0.80.9). DO NOT EDIT. To debug this workflow, load the skill at https://github.com/github/gh-aw/blob/main/debug.md
 #
@@ -123,7 +123,7 @@ jobs:
         env:
           GH_AW_INFO_ENGINE_ID: "copilot"
           GH_AW_INFO_ENGINE_NAME: "GitHub Copilot CLI"
-          GH_AW_INFO_MODEL: "claude-sonnet-5"
+          GH_AW_INFO_MODEL: "gpt-5"
           GH_AW_INFO_VERSION: "1.0.63"
           GH_AW_INFO_AGENT_VERSION: "1.0.63"
           GH_AW_INFO_CLI_VERSION: "v0.80.9"
@@ -843,7 +843,7 @@ jobs:
           COPILOT_AGENT_RUNNER_TYPE: STANDALONE
           COPILOT_DUMMY_BYOK: dummy-byok-key-for-offline-mode
           COPILOT_GITHUB_TOKEN: ${{ github.token }}
-          COPILOT_MODEL: claude-sonnet-5
+          COPILOT_MODEL: gpt-5
           GH_AW_MAX_AI_CREDITS: ${{ vars.GH_AW_DEFAULT_MAX_AI_CREDITS || '1000' }}
           GH_AW_MAX_TURNS: ${{ vars.GH_AW_DEFAULT_MAX_TURNS || '' }}
           GH_AW_PHASE: agent
@@ -1443,7 +1443,7 @@ jobs:
           COPILOT_AGENT_RUNNER_TYPE: STANDALONE
           COPILOT_DUMMY_BYOK: dummy-byok-key-for-offline-mode
           COPILOT_GITHUB_TOKEN: ${{ github.token }}
-          COPILOT_MODEL: claude-sonnet-5
+          COPILOT_MODEL: gpt-5
           GH_AW_MAX_AI_CREDITS: ${{ vars.GH_AW_DEFAULT_DETECTION_MAX_AI_CREDITS || '400' }}
           GH_AW_MAX_TURNS: ${{ vars.GH_AW_DEFAULT_MAX_TURNS || '' }}
           GH_AW_PHASE: detection
@@ -1539,7 +1539,7 @@ jobs:
       GH_AW_DETECTION_REASON: ${{ needs.detection.outputs.detection_reason }}
       GH_AW_EFFECTIVE_TOKENS: ${{ needs.agent.outputs.effective_tokens }}
       GH_AW_ENGINE_ID: "copilot"
-      GH_AW_ENGINE_MODEL: "claude-sonnet-5"
+      GH_AW_ENGINE_MODEL: "gpt-5"
       GH_AW_ENGINE_VERSION: "1.0.63"
       GH_AW_SAFE_OUTPUT_MESSAGES: "{\"footer\":\"\\u003e  Generated by [{workflow_name}]({run_url})\",\"footerInstall\":\"\\u003c!-- --\\u003e\"}"
       GH_AW_THREAT_DETECTION_AIC: ${{ needs.detection.outputs.aic }}
diff --git a/.github/workflows/issue-triage.md b/.github/workflows/issue-triage.md
index e922ab960ad..79176422d04 100644
--- a/.github/workflows/issue-triage.md
+++ b/.github/workflows/issue-triage.md
@@ -45,7 +45,7 @@ timeout-minutes: 10
 source: githubnext/agentics/workflows/issue-triage.md@346204513ecfa08b81566450d7d599556807389f
 engine:
   id: copilot
-  model: claude-sonnet-5
+  model: gpt-5
 ---
 
 # Agentic Triage

From 5cb951c0f2a2644aa252b8f1b29767115dc09eb4 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Wed, 2 Sep 2026 16:01:04 +0000
Subject: [PATCH 4/5] revert: restore TCGC workflow models

Co-authored-by: timotheeguerin <1031227+timotheeguerin@users.noreply.github.com>
---
 .github/workflows/bump-tcgc-csharp.lock.yml | 18 +++++++++---------
 .github/workflows/bump-tcgc-csharp.md       |  8 +++-----
 2 files changed, 12 insertions(+), 14 deletions(-)

diff --git a/.github/workflows/bump-tcgc-csharp.lock.yml b/.github/workflows/bump-tcgc-csharp.lock.yml
index f6a1186729a..01f25c223fc 100644
--- a/.github/workflows/bump-tcgc-csharp.lock.yml
+++ b/.github/workflows/bump-tcgc-csharp.lock.yml
@@ -1,4 +1,4 @@
-# gh-aw-metadata: {"schema_version":"v4","frontmatter_hash":"d41ecf11bab9baae4a62ed87e69caa06d7794799cfa052474d1c15a2cc56a783","body_hash":"edddedbaedbee5705c12b28111a81bfbff0f122358b743523d0fad7fdab6e180","compiler_version":"v0.80.9","strict":true,"agent_id":"copilot","agent_model":"gpt-5","engine_versions":{"copilot":"1.0.63"}}
+# gh-aw-metadata: {"schema_version":"v4","frontmatter_hash":"4bce994486f2837b737cce31d5707dd1456cb4bafaafdc4ff09c8cb150552d91","body_hash":"0672ac9b4a43e5dcc48bcae9180670823a85d2835f527baa0e0eb12d35db6c41","compiler_version":"v0.80.9","strict":true,"agent_id":"copilot","engine_versions":{"copilot":"1.0.63"}}
 # gh-aw-manifest: {"version":1,"secrets":["GH_AW_AGENT_TOKEN","GH_AW_GITHUB_MCP_SERVER_TOKEN","GH_AW_GITHUB_TOKEN","GITHUB_TOKEN"],"actions":[{"repo":"actions/cache/restore","sha":"27d5ce7f107fe9357f9df03efb73ab90386fccae","version":"v5.0.5"},{"repo":"actions/cache/save","sha":"27d5ce7f107fe9357f9df03efb73ab90386fccae","version":"v5.0.5"},{"repo":"actions/checkout","sha":"9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0","version":"v7.0.0"},{"repo":"actions/download-artifact","sha":"3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c","version":"v8.0.1"},{"repo":"actions/github-script","sha":"3a2844b7e9c422d3c10d287c895573f7108da1b3","version":"v9.0.0"},{"repo":"actions/setup-node","sha":"48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e","version":"v6.4.0"},{"repo":"actions/upload-artifact","sha":"043fb46d1a93c77aae656e7c1c64a875d1fc6a0a","version":"v7.0.1"},{"repo":"github/gh-aw-actions/setup","sha":"8c7d04ebf1ece56cd381446125da3e0f6896294a","version":"v0.80.9"}],"containers":[{"image":"ghcr.io/github/gh-aw-firewall/agent:0.27.7","digest":"sha256:aae231e4635c8999d039c132f1602d3df850fe9b84a00aa2b5ac981179b5661c","pinned_image":"ghcr.io/github/gh-aw-firewall/agent:0.27.7@sha256:aae231e4635c8999d039c132f1602d3df850fe9b84a00aa2b5ac981179b5661c"},{"image":"ghcr.io/github/gh-aw-firewall/api-proxy:0.27.7","digest":"sha256:009caf2e3d88fa77b64e9a03a95a228fc58db0f1701c6d324b29ba5a3c7c79b6","pinned_image":"ghcr.io/github/gh-aw-firewall/api-proxy:0.27.7@sha256:009caf2e3d88fa77b64e9a03a95a228fc58db0f1701c6d324b29ba5a3c7c79b6"},{"image":"ghcr.io/github/gh-aw-firewall/squid:0.27.7","digest":"sha256:deb1d4e19de62d51cee0508057a596a19315c3423ada4d675cad136dc8037c96","pinned_image":"ghcr.io/github/gh-aw-firewall/squid:0.27.7@sha256:deb1d4e19de62d51cee0508057a596a19315c3423ada4d675cad136dc8037c96"},{"image":"ghcr.io/github/gh-aw-mcpg:v0.3.27","digest":"sha256:fe984bddde4ec05d756d9043edb0a32912e6b7b72f6a121b1082f29221421cc7","pinned_image":"ghcr.io/github/gh-aw-mcpg:v0.3.27@sha256:fe984bddde4ec05d756d9043edb0a32912e6b7b72f6a121b1082f29221421cc7"},{"image":"ghcr.io/github/gh-aw-node","digest":"sha256:529d02eb970b1161aa25c593a9c3df57fdfad5a8add328cb3b6eccef66f3183b","pinned_image":"ghcr.io/github/gh-aw-node@sha256:529d02eb970b1161aa25c593a9c3df57fdfad5a8add328cb3b6eccef66f3183b"},{"image":"ghcr.io/github/github-mcp-server:v1.4.0","digest":"sha256:2afb26356481d1a350e14544a6e160f7f7ec1561a1ea309b823665abf0309036","pinned_image":"ghcr.io/github/github-mcp-server:v1.4.0@sha256:2afb26356481d1a350e14544a6e160f7f7ec1561a1ea309b823665abf0309036"}]}
 # This file was automatically generated by gh-aw (v0.80.9). DO NOT EDIT. To debug this workflow, load the skill at https://github.com/github/gh-aw/blob/main/debug.md
 #
@@ -112,7 +112,7 @@ jobs:
         env:
           GH_AW_INFO_ENGINE_ID: "copilot"
           GH_AW_INFO_ENGINE_NAME: "GitHub Copilot CLI"
-          GH_AW_INFO_MODEL: "gpt-5"
+          GH_AW_INFO_MODEL: ${{ vars.GH_AW_MODEL_AGENT_COPILOT || vars.GH_AW_DEFAULT_MODEL_COPILOT || 'claude-sonnet-4.6' }}
           GH_AW_INFO_VERSION: "1.0.63"
           GH_AW_INFO_AGENT_VERSION: "1.0.63"
           GH_AW_INFO_CLI_VERSION: "v0.80.9"
@@ -494,9 +494,9 @@ jobs:
           mkdir -p "${RUNNER_TEMP}/gh-aw/safeoutputs"
           mkdir -p /tmp/gh-aw/safeoutputs
           mkdir -p /tmp/gh-aw/mcp-logs/safeoutputs
-          cat > "${RUNNER_TEMP}/gh-aw/safeoutputs/config.json" << 'GH_AW_SAFE_OUTPUTS_CONFIG_ba084c4ad4c14bb2_EOF'
-          {"assign_to_agent":{"max":1,"model":"gpt-5","name":"copilot"},"create_issue":{"assignees":["copilot"],"labels":["emitter:client:csharp"],"max":1,"title_prefix":"Bump TCGC to "},"create_report_incomplete_issue":{},"missing_data":{},"missing_tool":{},"noop":{"max":1,"report-as-issue":"false"},"report_incomplete":{}}
-          GH_AW_SAFE_OUTPUTS_CONFIG_ba084c4ad4c14bb2_EOF
+          cat > "${RUNNER_TEMP}/gh-aw/safeoutputs/config.json" << 'GH_AW_SAFE_OUTPUTS_CONFIG_4e6e75277b3fd3e2_EOF'
+          {"assign_to_agent":{"max":1,"model":"claude-opus-4.6","name":"copilot"},"create_issue":{"assignees":["copilot"],"labels":["emitter:client:csharp"],"max":1,"title_prefix":"Bump TCGC to "},"create_report_incomplete_issue":{},"missing_data":{},"missing_tool":{},"noop":{"max":1,"report-as-issue":"false"},"report_incomplete":{}}
+          GH_AW_SAFE_OUTPUTS_CONFIG_4e6e75277b3fd3e2_EOF
       - name: Generate Safe Outputs Tools
         env:
           GH_AW_TOOLS_META_JSON: |
@@ -828,7 +828,7 @@ jobs:
           COPILOT_AGENT_RUNNER_TYPE: STANDALONE
           COPILOT_DUMMY_BYOK: dummy-byok-key-for-offline-mode
           COPILOT_GITHUB_TOKEN: ${{ github.token }}
-          COPILOT_MODEL: gpt-5
+          COPILOT_MODEL: ${{ vars.GH_AW_MODEL_AGENT_COPILOT || vars.GH_AW_DEFAULT_MODEL_COPILOT || 'claude-sonnet-4.6' }}
           GH_AW_MAX_AI_CREDITS: ${{ vars.GH_AW_DEFAULT_MAX_AI_CREDITS || '1000' }}
           GH_AW_MAX_TURNS: ${{ vars.GH_AW_DEFAULT_MAX_TURNS || '' }}
           GH_AW_PHASE: agent
@@ -1420,7 +1420,7 @@ jobs:
           COPILOT_AGENT_RUNNER_TYPE: STANDALONE
           COPILOT_DUMMY_BYOK: dummy-byok-key-for-offline-mode
           COPILOT_GITHUB_TOKEN: ${{ github.token }}
-          COPILOT_MODEL: gpt-5
+          COPILOT_MODEL: ${{ vars.GH_AW_MODEL_DETECTION_COPILOT || vars.GH_AW_DEFAULT_MODEL_COPILOT || 'claude-sonnet-4.6' }}
           GH_AW_MAX_AI_CREDITS: ${{ vars.GH_AW_DEFAULT_DETECTION_MAX_AI_CREDITS || '400' }}
           GH_AW_MAX_TURNS: ${{ vars.GH_AW_DEFAULT_MAX_TURNS || '' }}
           GH_AW_PHASE: detection
@@ -1515,7 +1515,7 @@ jobs:
       GH_AW_DETECTION_REASON: ${{ needs.detection.outputs.detection_reason }}
       GH_AW_EFFECTIVE_TOKENS: ${{ needs.agent.outputs.effective_tokens }}
       GH_AW_ENGINE_ID: "copilot"
-      GH_AW_ENGINE_MODEL: "gpt-5"
+      GH_AW_ENGINE_MODEL: ${{ needs.agent.outputs.model }}
       GH_AW_ENGINE_VERSION: "1.0.63"
       GH_AW_SAFE_OUTPUT_MESSAGES: "{\"footer\":\"\\u003e  Generated by [{workflow_name}]({run_url})\",\"footerInstall\":\"\\u003c!-- --\\u003e\"}"
       GH_AW_THREAT_DETECTION_AIC: ${{ needs.detection.outputs.aic }}
@@ -1581,7 +1581,7 @@ jobs:
           GH_AW_ALLOWED_DOMAINS: "api.business.githubcopilot.com,api.enterprise.githubcopilot.com,api.github.com,api.githubcopilot.com,api.individual.githubcopilot.com,api.snapcraft.io,archive.ubuntu.com,azure.archive.ubuntu.com,crl.geotrust.com,crl.globalsign.com,crl.identrust.com,crl.sectigo.com,crl.thawte.com,crl.usertrust.com,crl.verisign.com,crl3.digicert.com,crl4.digicert.com,crls.ssl.com,github.com,host.docker.internal,json-schema.org,json.schemastore.org,keyserver.ubuntu.com,ocsp.digicert.com,ocsp.geotrust.com,ocsp.globalsign.com,ocsp.identrust.com,ocsp.sectigo.com,ocsp.ssl.com,ocsp.thawte.com,ocsp.usertrust.com,ocsp.verisign.com,packagecloud.io,packages.cloud.google.com,packages.microsoft.com,ppa.launchpad.net,raw.githubusercontent.com,registry.npmjs.org,s.symcb.com,s.symcd.com,security.ubuntu.com,telemetry.enterprise.githubcopilot.com,ts-crl.ws.symantec.com,ts-ocsp.ws.symantec.com,www.googleapis.com"
           GITHUB_SERVER_URL: ${{ github.server_url }}
           GITHUB_API_URL: ${{ github.api_url }}
-          GH_AW_SAFE_OUTPUTS_HANDLER_CONFIG: "{\"assign_to_agent\":{\"max\":1,\"model\":\"gpt-5\",\"name\":\"copilot\"},\"create_issue\":{\"assignees\":[\"copilot\"],\"labels\":[\"emitter:client:csharp\"],\"max\":1,\"title_prefix\":\"Bump TCGC to \"},\"create_report_incomplete_issue\":{},\"missing_data\":{},\"missing_tool\":{},\"noop\":{\"max\":1,\"report-as-issue\":\"false\"},\"report_incomplete\":{}}"
+          GH_AW_SAFE_OUTPUTS_HANDLER_CONFIG: "{\"assign_to_agent\":{\"max\":1,\"model\":\"claude-opus-4.6\",\"name\":\"copilot\"},\"create_issue\":{\"assignees\":[\"copilot\"],\"labels\":[\"emitter:client:csharp\"],\"max\":1,\"title_prefix\":\"Bump TCGC to \"},\"create_report_incomplete_issue\":{},\"missing_data\":{},\"missing_tool\":{},\"noop\":{\"max\":1,\"report-as-issue\":\"false\"},\"report_incomplete\":{}}"
           GH_AW_ASSIGN_COPILOT: "true"
           GH_AW_ASSIGN_TO_AGENT_TOKEN: ${{ secrets.GH_AW_AGENT_TOKEN || secrets.GH_AW_GITHUB_TOKEN || secrets.GITHUB_TOKEN }}
         with:
diff --git a/.github/workflows/bump-tcgc-csharp.md b/.github/workflows/bump-tcgc-csharp.md
index c0869e76974..f4114b804ca 100644
--- a/.github/workflows/bump-tcgc-csharp.md
+++ b/.github/workflows/bump-tcgc-csharp.md
@@ -28,7 +28,7 @@ safe-outputs:
     assignees: [copilot]
   assign-to-agent:
     name: "copilot"
-    model: "gpt-5"
+    model: "claude-opus-4.6"
 
 tools:
   web-fetch:
@@ -40,9 +40,7 @@ tools:
     lockdown: false
 
 timeout-minutes: 15
-engine:
-  id: copilot
-  model: gpt-5
+engine: copilot
 ---
 
 # Agentic TCGC Bump for http-client-csharp
@@ -80,7 +78,7 @@ You're an automation assistant for the TypeSpec GitHub repository. Your task is
      Replace `<LATEST_STABLE>` with the actual version (e.g. `0.67.2`) and `<anchor>` with the GitHub-style heading anchor for that version on the CHANGELOG page (lowercased, dots removed — e.g. `0.67.2` → `0672`).
 
    - **Labels**: `emitter:client:csharp` is applied automatically via the workflow's `safe-outputs.create-issue.labels` configuration.
-   - **Assignees**: `copilot` is assigned automatically via the `assignees: [copilot]` setting in the workflow's `create-issue` configuration. The `assign-to-agent` block sets `gpt-5` as the default model for the Copilot coding agent.
+   - **Assignees**: `copilot` is assigned automatically via the `assignees: [copilot]` setting in the workflow's `create-issue` configuration. The `assign-to-agent` block sets `claude-opus-4.6` as the default model for the Copilot coding agent.
 
    Do not perform the upgrade in this workflow — the Copilot coding agent picks up the issue once assigned and follows `.github/prompts/upgrade-tcgc.instructions.md`.
 

From 2555addb9d5901079f7160c36c0374c5c6aa9867 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Wed, 2 Sep 2026 19:49:53 +0000
Subject: [PATCH 5/5] fix: use supported Agentic Triage model

Co-authored-by: timotheeguerin <1031227+timotheeguerin@users.noreply.github.com>
---
 .github/workflows/issue-triage.lock.yml | 10 +++++-----
 .github/workflows/issue-triage.md       |  2 +-
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/.github/workflows/issue-triage.lock.yml b/.github/workflows/issue-triage.lock.yml
index e2f4bb67ef2..5d1b715a2d5 100644
--- a/.github/workflows/issue-triage.lock.yml
+++ b/.github/workflows/issue-triage.lock.yml
@@ -1,4 +1,4 @@
-# gh-aw-metadata: {"schema_version":"v4","frontmatter_hash":"5c8cd456f0bf27556f8878e65f06a8eca6124441b02639d1b3b45211cbfa6291","body_hash":"ef788212cfa954711ccfc8df3f4873be401cd57d0bf129bf260cf75943dc8ea3","compiler_version":"v0.80.9","strict":true,"agent_id":"copilot","agent_model":"gpt-5","engine_versions":{"copilot":"1.0.63"}}
+# gh-aw-metadata: {"schema_version":"v4","frontmatter_hash":"a4eb625f7c9101b88c4828c6e06ccc5de72daa7e5cb517a5c69ec4bdea397e22","body_hash":"ef788212cfa954711ccfc8df3f4873be401cd57d0bf129bf260cf75943dc8ea3","compiler_version":"v0.80.9","strict":true,"agent_id":"copilot","agent_model":"claude-sonnet-5","engine_versions":{"copilot":"1.0.63"}}
 # gh-aw-manifest: {"version":1,"secrets":["GH_AW_GITHUB_MCP_SERVER_TOKEN","GH_AW_GITHUB_TOKEN","GITHUB_TOKEN"],"actions":[{"repo":"actions/cache/restore","sha":"27d5ce7f107fe9357f9df03efb73ab90386fccae","version":"v5.0.5"},{"repo":"actions/cache/save","sha":"27d5ce7f107fe9357f9df03efb73ab90386fccae","version":"v5.0.5"},{"repo":"actions/checkout","sha":"9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0","version":"v7.0.0"},{"repo":"actions/download-artifact","sha":"3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c","version":"v8.0.1"},{"repo":"actions/github-script","sha":"3a2844b7e9c422d3c10d287c895573f7108da1b3","version":"v9.0.0"},{"repo":"actions/setup-node","sha":"48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e","version":"v6.4.0"},{"repo":"actions/upload-artifact","sha":"043fb46d1a93c77aae656e7c1c64a875d1fc6a0a","version":"v7.0.1"},{"repo":"github/gh-aw-actions/setup","sha":"8c7d04ebf1ece56cd381446125da3e0f6896294a","version":"v0.80.9"}],"containers":[{"image":"ghcr.io/github/gh-aw-firewall/agent:0.27.7","digest":"sha256:aae231e4635c8999d039c132f1602d3df850fe9b84a00aa2b5ac981179b5661c","pinned_image":"ghcr.io/github/gh-aw-firewall/agent:0.27.7@sha256:aae231e4635c8999d039c132f1602d3df850fe9b84a00aa2b5ac981179b5661c"},{"image":"ghcr.io/github/gh-aw-firewall/api-proxy:0.27.7","digest":"sha256:009caf2e3d88fa77b64e9a03a95a228fc58db0f1701c6d324b29ba5a3c7c79b6","pinned_image":"ghcr.io/github/gh-aw-firewall/api-proxy:0.27.7@sha256:009caf2e3d88fa77b64e9a03a95a228fc58db0f1701c6d324b29ba5a3c7c79b6"},{"image":"ghcr.io/github/gh-aw-firewall/squid:0.27.7","digest":"sha256:deb1d4e19de62d51cee0508057a596a19315c3423ada4d675cad136dc8037c96","pinned_image":"ghcr.io/github/gh-aw-firewall/squid:0.27.7@sha256:deb1d4e19de62d51cee0508057a596a19315c3423ada4d675cad136dc8037c96"},{"image":"ghcr.io/github/gh-aw-mcpg:v0.3.27","digest":"sha256:fe984bddde4ec05d756d9043edb0a32912e6b7b72f6a121b1082f29221421cc7","pinned_image":"ghcr.io/github/gh-aw-mcpg:v0.3.27@sha256:fe984bddde4ec05d756d9043edb0a32912e6b7b72f6a121b1082f29221421cc7"},{"image":"ghcr.io/github/gh-aw-node","digest":"sha256:529d02eb970b1161aa25c593a9c3df57fdfad5a8add328cb3b6eccef66f3183b","pinned_image":"ghcr.io/github/gh-aw-node@sha256:529d02eb970b1161aa25c593a9c3df57fdfad5a8add328cb3b6eccef66f3183b"},{"image":"ghcr.io/github/github-mcp-server:v1.4.0","digest":"sha256:2afb26356481d1a350e14544a6e160f7f7ec1561a1ea309b823665abf0309036","pinned_image":"ghcr.io/github/github-mcp-server:v1.4.0@sha256:2afb26356481d1a350e14544a6e160f7f7ec1561a1ea309b823665abf0309036"}]}
 # This file was automatically generated by gh-aw (v0.80.9). DO NOT EDIT. To debug this workflow, load the skill at https://github.com/github/gh-aw/blob/main/debug.md
 #
@@ -123,7 +123,7 @@ jobs:
         env:
           GH_AW_INFO_ENGINE_ID: "copilot"
           GH_AW_INFO_ENGINE_NAME: "GitHub Copilot CLI"
-          GH_AW_INFO_MODEL: "gpt-5"
+          GH_AW_INFO_MODEL: "claude-sonnet-5"
           GH_AW_INFO_VERSION: "1.0.63"
           GH_AW_INFO_AGENT_VERSION: "1.0.63"
           GH_AW_INFO_CLI_VERSION: "v0.80.9"
@@ -843,7 +843,7 @@ jobs:
           COPILOT_AGENT_RUNNER_TYPE: STANDALONE
           COPILOT_DUMMY_BYOK: dummy-byok-key-for-offline-mode
           COPILOT_GITHUB_TOKEN: ${{ github.token }}
-          COPILOT_MODEL: gpt-5
+          COPILOT_MODEL: claude-sonnet-5
           GH_AW_MAX_AI_CREDITS: ${{ vars.GH_AW_DEFAULT_MAX_AI_CREDITS || '1000' }}
           GH_AW_MAX_TURNS: ${{ vars.GH_AW_DEFAULT_MAX_TURNS || '' }}
           GH_AW_PHASE: agent
@@ -1443,7 +1443,7 @@ jobs:
           COPILOT_AGENT_RUNNER_TYPE: STANDALONE
           COPILOT_DUMMY_BYOK: dummy-byok-key-for-offline-mode
           COPILOT_GITHUB_TOKEN: ${{ github.token }}
-          COPILOT_MODEL: gpt-5
+          COPILOT_MODEL: claude-sonnet-5
           GH_AW_MAX_AI_CREDITS: ${{ vars.GH_AW_DEFAULT_DETECTION_MAX_AI_CREDITS || '400' }}
           GH_AW_MAX_TURNS: ${{ vars.GH_AW_DEFAULT_MAX_TURNS || '' }}
           GH_AW_PHASE: detection
@@ -1539,7 +1539,7 @@ jobs:
       GH_AW_DETECTION_REASON: ${{ needs.detection.outputs.detection_reason }}
       GH_AW_EFFECTIVE_TOKENS: ${{ needs.agent.outputs.effective_tokens }}
       GH_AW_ENGINE_ID: "copilot"
-      GH_AW_ENGINE_MODEL: "gpt-5"
+      GH_AW_ENGINE_MODEL: "claude-sonnet-5"
       GH_AW_ENGINE_VERSION: "1.0.63"
       GH_AW_SAFE_OUTPUT_MESSAGES: "{\"footer\":\"\\u003e  Generated by [{workflow_name}]({run_url})\",\"footerInstall\":\"\\u003c!-- --\\u003e\"}"
       GH_AW_THREAT_DETECTION_AIC: ${{ needs.detection.outputs.aic }}
diff --git a/.github/workflows/issue-triage.md b/.github/workflows/issue-triage.md
index 79176422d04..e922ab960ad 100644
--- a/.github/workflows/issue-triage.md
+++ b/.github/workflows/issue-triage.md
@@ -45,7 +45,7 @@ timeout-minutes: 10
 source: githubnext/agentics/workflows/issue-triage.md@346204513ecfa08b81566450d7d599556807389f
 engine:
   id: copilot
-  model: gpt-5
+  model: claude-sonnet-5
 ---
 
 # Agentic Triage