Establish Freedom Intelligence lab foundation and baseline research.

Add INTENT/SCOPE, daily-brief playbook, activity-core definition (disabled),
workplans FI-WP-0001..0003, baseline field survey with open-weight collection
recommendations, and inventory catalog candidates for the model reserve.

inventory/README.md

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+# Model inventory
+
+In-repo **catalog of open-weight revisions** reserved (or nominated) for the lab.
+Weight blobs live on backup storage — see `docs/backup-storage-policy.md`.
+
+## Layout
+
+```text
+inventory/
+├── README.md                 # this file
+├── schema.yaml               # field reference + example
+├── collection-policy.md      # approval and eligibility rules
+└── catalog/
+    └── *.yaml                # one file per model revision
+```
+
+## Status values
+
+`candidate` → `approved` → `collecting` → `collected` → `verified`  
+also: `superseded` | `evicted` | `rejected`
+
+## Adding an entry
+
+1. Confirm eligibility in `collection-policy.md`.
+2. Create `catalog/{org}__{name}__{short_revision}.yaml` using fields from `schema.yaml`.
+3. Set `status: candidate` (or `approved` if already signed off).
+4. After download and checksums: set `collected` / `verified` and `collection.storage_path`.
+
+## Empty catalog
+
+The catalog starts empty on purpose. First entries come from daily brief
+**collection candidates** after policy checks — not from bulk scraping.