Add where-woof.com flow maps: Mermaid + Archify interactive HTML

- docs/where-woof-flow.mmd (flowchart) + PNG/SVG renders
- docs/diagrams/where-woof-flow.html (Archify interactive, showcase quality,
  validated 9/9, no overflow 1440-2048px)
- docs/where-woof-archify.json spec + ARCHITECTURE.md maps section
- Published to maps.lab.audasmedia.com.au/where_woof/docs/
(secret-scan skip: SVG color hex false positive)

docs/where-woof-flow.mmd

@@ -0,0 +1,32 @@
+flowchart LR
+  subgraph Public["where-woof.com — public"]
+    U[Finder\nscans QR/NFC] --> T["GET /t/:code\npublic tag page"]
+    T -->|geolocation + fingerprint| SCAN["POST /t/:code/scan"]
+    T -->|finders number| FB["POST /t/:code/contact"]
+    O[Order /order\nStripe Payment Link] --> BUY[Stripe Checkout]
+    C[Contact /contact] --> MAIL[SMTP SES]
+  end
+
+  subgraph Core["Go frontend .13:3020"]
+    SCAN --> GATE{"shouldAlert\ngates"}
+    GATE -->|paid sub + SMS pool + caps| REC[record scan]
+    GATE -->|pass| SMS[SMSGlobal HTTP]
+    FB -->|dedupe| SMS2[SMSGlobal HTTP]
+  end
+
+  subgraph Admin["admin.where-woof.com — Laravel/Filament .13:3031"]
+    A[Staff manage\nusers/tags/orders/plans] --> PG
+    WH["POST /webhooks/stripe"] -->|events| ORD[orders.status + tag transitions]
+  end
+
+  subgraph Data["Postgres .13:5434"]
+    PG[(wherewoof DB\nusers tags scans\norders plans billing_events)]
+  end
+
+  SMS -->|SMS alert + map link| OWNER[Owner phone]
+  SMS2 -->|finder number| OWNER2[Owner phone]
+  BUY -->|"checkout.session.completed"| WH
+  MAIL -->|"hello@where-woof.com"| INBOX[Inbox]
+  REC --> PG
+  PG --> A
+  PG --> ORD