WIP Phase 4 ingestion: platform guides, exclusion gate, gitea/vault/graph harvest, payload provenance

platforms/obsidian.yml

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+# Platform guide — Obsidian vault (sam/obsidian-vault, read through Gitea).
+#
+# This file is both configuration and public copy.
+#
+# Privacy note: only project, area and index notes are read. The personal and
+# family folders (000 daily, 400 Personal Family, 500 archive) and the templates
+# are deliberately out of scope. They are not work evidence and they contain
+# third-party personal detail. See docs/content-redaction.md.
+name: obsidian
+enabled: true
+what: >-
+  A personal knowledge base. High-level notes on every system, in Sam's own
+  words: what a system is for, what changed, and what went wrong. Project and
+  area notes only; personal, family and daily notes are not read.
+fits: [about, ai, platform, edge, products]
+base: sam/obsidian-vault
+include:
+  paths:
+    - "010 inbox/**"
+    - "100 Table of Contents/**"
+    - "200 projects/**"
+    - "300 areas/**"
+exclude:
+  paths:
+    - ".obsidian/**"
+    - ".trash/**"
+    - ".venv/**"
+    - "templates/**"
+    - "000 daily/**"
+    - "400 Personal Family/**"
+    - "500 archive/**"
+    - "**/*.excalidraw"
+    - "**/*.png"
+    - "**/*.jpg"
+    - "**/*.jpeg"
+    - "**/*.gif"
+    - "**/*.webp"
+    - "**/*.pdf"
+    - "**/*Bedroom Lights*"
+read: [notes]
+public: true
+limits:
+  max_documents: 4000
+  max_file_kb: 200