v1.1.0: repo polish, CI fixes, version alignment, dead artifact cleanup

Root package: renamed to imhotep-monorepo, fixed broken scripts (test:unit/integration/e2e),
removed inappropriate root deps, fixed build order, updated clean script

CI: branch trigger main->master, npm ci->npm install, GitHub cache URL->Gitea

Docs: replaced scaffolded root README with real project README, added package READMEs
for imhotep/imhotep-playwright/imhotep-dsl/imhotep-core, added RELEASE.md checklist

Version: all 14 packages and root aligned to 1.1.0, CHANGELOG test count fixed (1125)

Metadata: 14 repository URLs github->gitea, 13 package descriptions added,
imhotep-cli exports field added, SECURITY.md updated for Gitea+disclosure email

Quality: noEmitOnError:true in 13 tsconfigs, collapsed duplicate interfaces in public.ts,
clippedBy test->test.skip, fixed broken dynamic import in imhotep index.test.ts,
694 generated src artifacts cleaned, V8 logs removed, .gitignore updated

SECURITY.md

@@ -4,8 +4,8 @@
 
 | Version | Supported |
 |---|---|
-| 1.0.x | yes |
-| < 1.0 | no |
+| 1.1.x | yes |
+| < 1.1 | no |
 
 ## Trust Model
 
@@ -48,6 +48,6 @@ Imhotep outputs may include selectors, text labels, geometry, and diagnostics.
 
 ## Vulnerability Reporting
 
-Open a GitHub issue labeled `security` for non-sensitive reports.
+To report a security vulnerability, open an issue on the Gitea repository labeled `security`.
 
-If disclosure should be private first, include "PRIVATE SECURITY REPORT" in the issue title and avoid posting exploit details until maintainers respond.
+For private disclosure, email `security@imhotep.dev`. Include the affected package, version, and a description of the issue. Maintainers will respond within 5 business days.