diff --git a/.github/agents/Backend_Dev.agent.md b/.github/agents/Backend_Dev.agent.md
index 7d565f92..22d958e2 100644
--- a/.github/agents/Backend_Dev.agent.md
+++ b/.github/agents/Backend_Dev.agent.md
@@ -4,7 +4,7 @@ description: 'Senior Go Engineer focused on high-performance, secure backend imp
 argument-hint: 'The specific backend task from the Plan (e.g., "Implement ProxyHost CRUD endpoints")'
 tools: vscode/extensions, vscode/getProjectSetupInfo, vscode/installExtension, vscode/memory, vscode/openSimpleBrowser, vscode/runCommand, vscode/askQuestions, vscode/vscodeAPI, execute, read, agent, 'github/*', 'github/*', 'io.github.goreleaser/mcp/*', 'trivy-mcp/*', edit, search, web, 'github/*', 'playwright/*', 'pylance-mcp-server/*', todo, vscode.mermaid-chat-features/renderMermaidDiagram, github.vscode-pull-request-github/issue_fetch, github.vscode-pull-request-github/labels_fetch, github.vscode-pull-request-github/notification_fetch, github.vscode-pull-request-github/doSearch, github.vscode-pull-request-github/activePullRequest, github.vscode-pull-request-github/openPullRequest, ms-azuretools.vscode-containers/containerToolsConfig, ms-python.python/getPythonEnvironmentInfo, ms-python.python/getPythonExecutableCommand, ms-python.python/installPythonPackage, ms-python.python/configurePythonEnvironment, 'gopls/*'
 
-model: GPT-5.3-Codex (copilot)
+model: Claude Sonnet 4.5 (copilot)
 target: vscode
 user-invocable: true
 disable-model-invocation: false
diff --git a/.github/agents/DevOps.agent.md b/.github/agents/DevOps.agent.md
index 75fa3db8..12c8f39d 100644
--- a/.github/agents/DevOps.agent.md
+++ b/.github/agents/DevOps.agent.md
@@ -4,7 +4,7 @@ description: 'DevOps specialist for CI/CD pipelines, deployment debugging, and G
 argument-hint: 'The CI/CD or infrastructure task (e.g., "Debug failing GitHub Action workflow")'
 tools: vscode/extensions, vscode/getProjectSetupInfo, vscode/installExtension, vscode/memory, vscode/openSimpleBrowser, vscode/runCommand, vscode/askQuestions, vscode/vscodeAPI, execute, read, agent, 'github/*', 'github/*', 'io.github.goreleaser/mcp/*', 'trivy-mcp/*', edit, search, web, 'github/*', 'playwright/*', 'pylance-mcp-server/*', todo, vscode.mermaid-chat-features/renderMermaidDiagram, github.vscode-pull-request-github/issue_fetch, github.vscode-pull-request-github/labels_fetch, github.vscode-pull-request-github/notification_fetch, github.vscode-pull-request-github/doSearch, github.vscode-pull-request-github/activePullRequest, github.vscode-pull-request-github/openPullRequest, ms-azuretools.vscode-containers/containerToolsConfig, ms-python.python/getPythonEnvironmentInfo, ms-python.python/getPythonExecutableCommand, ms-python.python/installPythonPackage, ms-python.python/configurePythonEnvironment, 'gopls/*'
 
-model: GPT-5.3-Codex (copilot)
+model: Claude Sonnet 4.6 (copilot)
 target: vscode
 user-invocable: true
 disable-model-invocation: false
diff --git a/.github/agents/Doc_Writer.agent.md b/.github/agents/Doc_Writer.agent.md
index 4bc58a78..1ffd38f4 100644
--- a/.github/agents/Doc_Writer.agent.md
+++ b/.github/agents/Doc_Writer.agent.md
@@ -4,7 +4,7 @@ description: 'User Advocate and Writer focused on creating simple, layman-friend
 argument-hint: 'The feature to document (e.g., "Write the guide for the new Real-Time Logs")'
 tools: vscode/extensions, vscode/getProjectSetupInfo, vscode/installExtension, vscode/memory, vscode/openSimpleBrowser, vscode/runCommand, vscode/askQuestions, vscode/vscodeAPI, execute, read, agent, 'github/*', 'github/*', 'io.github.goreleaser/mcp/*', 'trivy-mcp/*', edit, search, web, 'github/*', 'playwright/*', 'pylance-mcp-server/*', todo, vscode.mermaid-chat-features/renderMermaidDiagram, github.vscode-pull-request-github/issue_fetch, github.vscode-pull-request-github/labels_fetch, github.vscode-pull-request-github/notification_fetch, github.vscode-pull-request-github/doSearch, github.vscode-pull-request-github/activePullRequest, github.vscode-pull-request-github/openPullRequest, ms-azuretools.vscode-containers/containerToolsConfig, ms-python.python/getPythonEnvironmentInfo, ms-python.python/getPythonExecutableCommand, ms-python.python/installPythonPackage, ms-python.python/configurePythonEnvironment, 'gopls/*'
 
-model: GPT-5.3-Codex (copilot)
+model: Claude Sonnet 4.6 (copilot)
 target: vscode
 user-invocable: true
 disable-model-invocation: false
diff --git a/.github/agents/Frontend_Dev.agent.md b/.github/agents/Frontend_Dev.agent.md
index 10e9373f..785b9b10 100644
--- a/.github/agents/Frontend_Dev.agent.md
+++ b/.github/agents/Frontend_Dev.agent.md
@@ -4,7 +4,7 @@ description: 'Senior React/TypeScript Engineer for frontend implementation.'
 argument-hint: 'The frontend feature or component to implement (e.g., "Implement the Real-Time Logs dashboard component")'
 tools: vscode/extensions, vscode/getProjectSetupInfo, vscode/installExtension, vscode/memory, vscode/openSimpleBrowser, vscode/runCommand, vscode/askQuestions, vscode/vscodeAPI, execute, read, agent, 'github/*', 'github/*', 'io.github.goreleaser/mcp/*', 'trivy-mcp/*', edit, search, web, 'github/*', 'playwright/*', 'pylance-mcp-server/*', todo, vscode.mermaid-chat-features/renderMermaidDiagram, github.vscode-pull-request-github/issue_fetch, github.vscode-pull-request-github/labels_fetch, github.vscode-pull-request-github/notification_fetch, github.vscode-pull-request-github/doSearch, github.vscode-pull-request-github/activePullRequest, github.vscode-pull-request-github/openPullRequest, ms-azuretools.vscode-containers/containerToolsConfig, ms-python.python/getPythonEnvironmentInfo, ms-python.python/getPythonExecutableCommand, ms-python.python/installPythonPackage, ms-python.python/configurePythonEnvironment, 'gopls/*'
 
-model: GPT-5.3-Codex (copilot)
+model: Claude Sonnet 4.6 (copilot)
 target: vscode
 user-invocable: true
 disable-model-invocation: false
diff --git a/.github/agents/Playwright_Dev.agent.md b/.github/agents/Playwright_Dev.agent.md
index 3e334111..905b214e 100644
--- a/.github/agents/Playwright_Dev.agent.md
+++ b/.github/agents/Playwright_Dev.agent.md
@@ -5,7 +5,7 @@ argument-hint: 'The feature or flow to test (e.g., "Write E2E tests for the logi
 
 tools: vscode/extensions, vscode/getProjectSetupInfo, vscode/installExtension, vscode/memory, vscode/openIntegratedBrowser, vscode/runCommand, vscode/askQuestions, vscode/vscodeAPI, execute, read, agent, 'github/*', 'github/*', 'io.github.goreleaser/mcp/*', 'trivy-mcp/*', edit, search, web, 'github/*', 'gopls/*', 'playwright/*', 'pylance-mcp-server/*', todo, vscode.mermaid-chat-features/renderMermaidDiagram, github.vscode-pull-request-github/issue_fetch, github.vscode-pull-request-github/labels_fetch, github.vscode-pull-request-github/notification_fetch, github.vscode-pull-request-github/doSearch, github.vscode-pull-request-github/activePullRequest, github.vscode-pull-request-github/openPullRequest, ms-azuretools.vscode-containers/containerToolsConfig, ms-python.python/getPythonEnvironmentInfo, ms-python.python/getPythonExecutableCommand, ms-python.python/installPythonPackage, ms-python.python/configurePythonEnvironment
 
-model: GPT-5.3-Codex (copilot)
+model: Claude Sonnet 4.6 (copilot)
 target: vscode
 user-invocable: true
 disable-model-invocation: false