chore: retire Windsurf integration — absorbed into Cognition Devin (#3168) (#3213)

* chore: retire windsurf integration — absorbed into Cognition Devin (#3168)

windsurf.com now permanently redirects to devin.ai/desktop following
acquisition. Remove subpackage, registry/catalog entries, docs, and tests;
re-point sample-agent test fixtures to Kilo Code.

Assisted-by: GitHub Copilot (model: Claude Opus 4.8, autonomous)
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

* docs: remove stale Windsurf support references

Assisted-by: GitHub Copilot (model: gpt-5.3-codex, autonomous)

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

* docs: fix Kilo Code command path in upgrade guide

Assisted-by: GitHub Copilot (model: gpt-5.3-codex, autonomous)

Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>

* chore: align integration lists after rebase

Assisted-by: GitHub Copilot (model: gpt-5.3-codex, autonomous)

Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>

* docs: align kilocode example with runtime behavior

Assisted-by: GitHub Copilot (model: gpt-5.3-codex, autonomous)

Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>

---------

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

.github/ISSUE_TEMPLATE/agent_request.yml

@@ -8,7 +8,7 @@ body:
       value: |
         Thanks for requesting a new agent! Before submitting, please check if the agent is already supported.
         
-        **Currently supported agents**: Amp, Antigravity, Auggie CLI, Claude Code, Cline, CodeBuddy, Codex CLI, Cursor, Devin for Terminal, Firebender, Forge, Gemini CLI, GitHub Copilot, Goose, Hermes Agent, IBM Bob, Junie, Kilo Code, Kimi Code, Kiro CLI, Lingma, Mistral Vibe, Oh My Pi, opencode, Pi Coding Agent, Qoder CLI, Qwen Code, Roo Code, RovoDev ACLI, SHAI, Tabnine CLI, Trae, Windsurf, ZCode, Zed
+        **Currently supported agents**: Amp, Antigravity, Auggie CLI, Claude Code, Cline, CodeBuddy, Codex CLI, Cursor, Devin for Terminal, Firebender, Forge, Gemini CLI, GitHub Copilot, Goose, Hermes Agent, IBM Bob, Junie, Kilo Code, Kimi Code, Kiro CLI, Lingma, Mistral Vibe, Oh My Pi, opencode, Pi Coding Agent, Qoder CLI, Qwen Code, Roo Code, RovoDev ACLI, SHAI, Tabnine CLI, Trae, ZCode, Zed
 
   - type: input
     id: agent-name

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -94,7 +94,6 @@ body:
         - SHAI
         - Tabnine CLI
         - Trae
-        - Windsurf
         - ZCode
         - Zed
         - Not applicable

.github/ISSUE_TEMPLATE/feature_request.yml

@@ -88,7 +88,6 @@ body:
         - SHAI
         - Tabnine CLI
         - Trae
-        - Windsurf
         - ZCode
         - Zed
         - Not applicable