[dezren39]

Implements #2143 (queue task 5188): a read-only web page for the local crate::groups event-log projection, distinct from the hosted-world directory groups at /explore.

Changes (pkgs/id)

• src/web/groups.rs (new) — GET /groups handler + rendering:
  • read_projection() parses the group log itself with the same torn-tail tolerance as GroupLog::open (an unparseable final line without a trailing newline is ignored; a corrupt complete line is an error) but never writes: a page GET cannot truncate or repair the log.
  • Renders every group with its ID and active/dissolved status, direct member keys and roles, and the grants in force via Projection::grants_in_force() — so a grant whose grantor was later removed still shows while in force (grantor, grantee, scope, redelegable, target world).
  • No write actions; the existing WebSecurity guard applies unchanged (the route is registered in the same router).
• src/web/mod.rs — AppState.groups_log: Option<PathBuf>, threaded through web_router / web_router_with_local_events / finish_router exactly like the world/cookie settings.
• src/web/routes.rs — registers /groups.
• src/commands/serve.rs — both web-router call sites pass Some(serve_groups_log_path(groups_log)), i.e. the same --groups-log resolution (override or default groups.jsonl) the warning watcher already uses.

Tests (laptop, --features web)

• cargo test --lib web::groups — 5/5: retained grant from a removed grantor stays visible (grant + member-role rendering), torn-tail read leaves the file byte-identical, missing log file renders as empty, corrupt complete line errors, configured-path/default resolution.
• Broader web:: and commands::serve module runs on the laptop (see PR checks / CI for the full suite).

Note: the sandbox worktree needs the gitignored frontend artifact pkgs/id/web/dist present to compile the web feature (RustEmbed); it was copied from the primary clone's build output for the local test run and is not part of this change.

---

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Reviewing files that changed from the base of the PR and between d963623 and 8e14ed7.

Files selected for processing: 4

• pkgs/id/src/commands/serve.rs
• pkgs/id/src/web/groups.rs
• pkgs/id/src/web/mod.rs
• pkgs/id/src/web/routes.rs

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Codex Review Summary

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Review	Status	Commit	Review trigger
📝 Code Review	✅ Completed 2026-11-02T01:18:40.063665Z	8e14ed7	PR opened

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