Connect relays individually and sync bootstrap state

docs/backend-rearchitecture.md

@@ -30,6 +30,17 @@ Each is addressed below with concrete file:line references and a verified replac
 
 ## 1. `fetch_events` — one call site, and it should go too
 
+> **Status: done.** `bootstrap_user` now calls `sync_bootstrap_only` (the
+> same helper `Backend::sync_bootstrap` already used) against
+> `filters::grasp_list(public_key)`, then reads the result back out through
+> the existing `user_grasp_list_servers` query helper instead of hand-rolling
+> a second `BTreeSet<Event>` → `Vec<Event>` collect. `client.add_relay(url)`
+> no longer round-trips through `.as_str()`, and connects with
+> `.and_connect()` (see §8) instead of a trailing pool-wide `client.connect()`.
+> `grep -rn "fetch_events" crates/` now returns nothing in the whole
+> workspace. `cargo check --workspace`, `cargo clippy -p signed_state`, and
+> `cargo test -p signed_state` (24 tests, unchanged) all pass.
+
 ```
 grep -rn "fetch_events" crates/
 crates/signed_state/src/backend.rs:1065
@@ -574,6 +585,26 @@ to `RepoListStore`.
 
 ## 8. Relay add/connect: stop round-tripping through strings, stop reconnecting the whole pool
 
+> **Status: done.** Every `add_relay` call site now passes the `RelayUrl`
+> directly (no `.as_str()`/`ToString` round trip) and chains `.and_connect()`
+> instead of a separate, pool-wide `client.connect()`/`client.connect_relay()`
+> call: `Backend::bootstrap` (both the `BOOTSTRAP_RELAYS` and `INDEXER_RELAYS`
+> loops), `bootstrap_user`, `create_repository`, `publish_local_repo`,
+> `connect_repo_relays`, and `stage_event_on_relay`. `Backend::add_relays` is
+> deleted entirely — its two callers (`create_repository`, `publish_local_repo`)
+> now capture `client` once before the surrounding `cx.spawn` and loop
+> `client.add_relay(url).and_connect().await.ok();` directly over the
+> `Vec<RelayUrl>` they already had, with no `Vec<String>` conversion at all.
+> Verified `.and_connect()` (`client/api/add.rs`) and pool-wide `.connect()`
+> semantics (`client/api/connect.rs`) against the pinned nostr-sdk source
+> before making the change (see chat history), plus that `pool.sync()`
+> requires relays to already be present in the pool
+> (`pool/mod.rs:679-693`, `relays.get(&url).ok_or_else(...)`), which is why
+> `sync_bootstrap_only`/`bootstrap_user` can safely assume `BOOTSTRAP_RELAYS`
+> are already added by `Backend::bootstrap` before any sync runs.
+> `cargo check --workspace`, `cargo clippy -p signed_state`, and
+> `cargo test -p signed_state` (24 tests) all pass.
+
 Flagged example (`backend.rs:1071-1074`):
 
 ```rust
@@ -1257,14 +1288,18 @@ method.
    bug in `RepoDetailView`/`NewPullRequestView` along the way.
 
    Done: both halves are complete, see §6 and §14 for details.
-3. **Fix the relay add/connect calls** (§8): drop `.as_str()`/`ToString`
+3. ✅ **Fix the relay add/connect calls** (§8): drop `.as_str()`/`ToString`
    round trips, replace `add_relay` + blanket `client.connect()`/
    `connect_relay` pairs with `add_relay(url).and_connect()`, and delete
    `Backend::add_relays`. Mechanical, no behavior change beyond "connect
    only what was just added."
-4. **Fix `bootstrap_user`** to sync+query instead of `fetch_events` (§1).
+
+   Done: see §8 for the full list of call sites and verification notes.
+4. ✅ **Fix `bootstrap_user`** to sync+query instead of `fetch_events` (§1).
    One function, fully covered by existing tests for
    `latest_grasp_list_servers`.
+
+   Done: see §1. `fetch_events` no longer appears anywhere in the workspace.
 5. **Generalize the 3 `signed_git` URL-list signatures** to `&[impl AsRef<str>]`
    (§15), then delete the now-redundant `.map(ToString::to_string).collect()`
    at all 7 call sites. Self-contained to `signed_git`'s public API plus a