Add repository metadata for open-source maintenance

The GitHub repo now has a stronger public landing page and collaboration
surface, but it still lacked ownership metadata and standard repository
funding configuration. This adds CODEOWNERS and FUNDING so the repo reads
more like an actively maintained OSS project and establishes explicit
ownership across the monorepo.

Constraint: Keep ownership simple while the project is single-maintainer
Rejected: Create granular per-file ownership for every package | too much process for current team size
Confidence: high
Scope-risk: narrow
Reversibility: clean
Directive: Keep CODEOWNERS aligned with the real maintainer model; do not add fake team structure before it exists
Tested: Verified files exist and reran the root demo script
Not-tested: GitHub UI display for funding and code owner review requests after push

Author: weiyi

.github/CODEOWNERS

@@ -0,0 +1,18 @@
+# Default owner for the repository
+* @Jasvina
+
+# Root collaboration and automation surfaces
+/.github/ @Jasvina
+/README.md @Jasvina
+/ROADMAP.md @Jasvina
+/CONTRIBUTING.md @Jasvina
+/SECURITY.md @Jasvina
+/SUPPORT.md @Jasvina
+/scripts/ @Jasvina
+/docs/ @Jasvina
+
+# Tool ownership
+/projects/agentci/ @Jasvina
+/projects/tracepack/ @Jasvina
+/projects/failmap/ @Jasvina
+/projects/packslice/ @Jasvina

.github/FUNDING.yml

@@ -0,0 +1,11 @@
+github: []
+patreon: ""
+open_collective: ""
+ko_fi: ""
+tidelift: ""
+community_bridge: ""
+liberapay: ""
+issuehunt: ""
+otechie: ""
+custom:
+  - https://github.com/Jasvina/AgentEvalKit