build(ci): uv toolchain, release-please semver; feat(skills): vendor tools self-contained (no symlinks, relative refs)

- bin/db/psql-yq + bin/web/search + tools/{yamlout,websearch} vendored as real files
- bin/db/ssh-tunnel added (OnlyOffice VM pg on 5433)
- skills reference local bin/ paths; no agent-skills/abs links in git
- pyproject.toml + uv.lock; CI installs via uv sync --frozen
- release-please auto-tags semver from conventional commits when green
- LICENSE MIT, badges/mermaid README

pyproject.toml

@@ -0,0 +1,15 @@
+[project]
+name = "2dph"
+version = "0.1.0"
+description = "Evidence-first brain: LadybugDB knowledge graph + hybrid RAG over the ops stack. Facts need two sources or they are (not confirmed)."
+readme = "README.md"
+requires-python = ">=3.12"
+license = { text = "MIT" }
+dependencies = [
+    "ladybug==0.19.1",
+    "mistune==3.3.4",
+    "model2vec==0.8.2",
+    "numpy>=2.5.2",
+    "pyyaml>=6.0.3",
+    "requests>=2.34.2",
+]