docs: keep architecture diagram in README

docs/architecture.md

@@ -1,49 +0,0 @@
-# Architecture at a glance — `File > Protocol > App`
-
-One source of truth (your files), one network you own (the protocol), many lenses to read it (the apps).
-
-```text
-        FILE  ───▶  PROTOCOL  ───▶  APP
-       (own it)    (share it)      (read it — many lenses, one source)
-
-
-   ┌──────────────────────────────┐
-   │ FILE — your notes            │
-   │ Markdown in a Git repo       │
-   │ Zettelkasten: notes + links  │
-   │   note.md                    │
-   │   note.pub.md   ◀── publish  │
-   └───────────────┬──────────────┘
-                   │  git push
-                   ▼
-   ┌──────────────────────────────┐
-   │ remanso-cli  (fork: Sequoia) │
-   │ local CLI or GitHub Action   │
-   │ change-detect · img → blobs  │
-   │ writes atUri back            │
-   └───────────────┬──────────────┘
-                   │  com.atproto.repo.createRecord
-                   ▼
-   ┌──────────────────────────────────────────────────┐
-   │ PROTOCOL — your PDS   (records you own)          │
-   │ identity: did:plc:… + handle  (plc.directory)    │
-   │ addressed by DID + rkey:                         │
-   │   site.standard.document   shared → reach        │
-   │   space.remanso.note       custom → rich         │
-   └────────────┬─────────────────────────────────┬───┘
-                │ firehose / Jetstream            │ listRecords (read)
-                ▼                                 ▼
-   ┌─────────────────────────┐   ┌────────────────────────────────┐
-   │ remanso-jetstream       │   │ APP — many lenses, one source  │
-   │ AppView (self-hosted)   │   │  Remanso (remanso.space)       │
-   │ Jetstream→SQLite→REST   │──▶│    + Bluesky graph (getFollows)│
-   └─────────────────────────┘   │  apoena.dev (static site)      │
-                                 │  Leaflet / any standard.site   │
-     reuse the Bluesky graph ───▶│  Bluesky & other atproto apps  │
-     app.bsky.graph.getFollows   └────────────────────────────────┘
-
-   Self-hosted on Coolify (platform.apoena.dev) + Gitea (git.apoena.dev).
-   GitHub = push mirror.
-```
-
-> The whole stack is self-hosted: **Coolify** (`platform.apoena.dev`) runs the AppView and apps, **Gitea** (`git.apoena.dev`) hosts the code, with **GitHub** as a push mirror.