Add agent support templates and profiles

agent-quickstart.md

@@ -8,6 +8,7 @@ Use this file when you want Codex to apply the repository kit with minimal instr
 Read manifest.json first.
 Use its copyMap for file destinations.
 Use new-repository.md or existing-project.md as the task workflow.
+Use matching profiles/*.md guidance after detecting the stack.
 Check git status before editing.
 Preserve unrelated user changes.
 Replace all applicable placeholders and remove non-applicable placeholder sections.
@@ -57,6 +58,10 @@ Did you read manifest.json?
   yes -> use copyMap and placeholders from it
   no  -> read it before editing
 
+Does a stack profile match?
+  yes -> read the matching profiles/*.md file and adapt commands carefully
+  no  -> continue with universal rules only
+
 Does the project already have README structure?
   yes -> preserve it; only add blueprint files if useful
   no  -> add blueprint.md and blueprint.json with the rainbow section-line divider
@@ -81,6 +86,10 @@ Did release behavior, artifacts, or downloads change?
   yes -> update docs/release-checklist.md and README downloads/artifacts
   no  -> do not invent release details
 
+Is the work interrupted, risky, or multi-session?
+  yes -> update docs/agent-handoff.md
+  no  -> no handoff file is required
+
 Is this a private Gitea repo with Actions?
   yes -> if GITEA_TOKEN is set locally, use it for read-only API checks of repository and workflow-run status
   no  -> use public web/API checks when available
@@ -112,6 +121,7 @@ SECURITY.md
 CHANGELOG.md
 docs/release-checklist.md
 docs/security-review.md
+docs/agent-handoff.md
 .gitea/workflows/build.yml
 ```
 
@@ -123,3 +133,13 @@ blueprint.json
 README.md
 ```
 
+For stack-specific guidance:
+
+```text
+profiles/node.md
+profiles/electron.md
+profiles/python.md
+profiles/docker.md
+profiles/static-site.md
+```
+