Add agent support templates and profiles

profiles/docker.md

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+# Docker Profile
+
+Use when the repository has `Dockerfile`, `compose.yml`, or deployment container artifacts.
+
+## Checks
+
+Look for:
+
+- secrets copied into images,
+- `.env` files committed,
+- broad build contexts,
+- unpinned base images,
+- root-only runtime when avoidable,
+- exposed ports documented in README.
+
+## Commands
+
+Common placeholders:
+
+```text
+BUILD_COMMAND = docker build -t PROJECT_NAME .
+TEST_COMMAND = docker compose config
+AUDIT_COMMAND = docker scout cves PROJECT_NAME
+```
+
+Use only commands that are available in the target environment.
+
+## Ignore Additions
+
+```text
+.env
+.env.*
+!.env.example
+docker-compose.override.yml
+```
+