feat(gitea): poll org activity feeds to capture cross-namespace events

The user activity feed only returns events from the user's own namespace.
This adds org discovery via /api/v1/user/orgs and polls each org's
activity feed, filtering for events by the configured user. Per-org
poller state keys enable independent backfill. Org feed errors are
non-fatal to avoid disrupting the user feed poll.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

crates/moments-data/src/gitea.rs

@@ -71,10 +71,17 @@ impl GiteaSource {
         }
     }
 
-    fn page_url(&self, page: u32) -> String {
+    fn user_feed_base_url(&self) -> String {
         format!(
-            "https://{}/api/v1/users/{}/activities/feeds?only-performed-by=true&limit={}&page={}",
-            self.config.host, self.config.user, self.config.per_page, page
+            "https://{}/api/v1/users/{}/activities/feeds?only-performed-by=true&limit={}",
+            self.config.host, self.config.user, self.config.per_page
+        )
+    }
+
+    fn org_feed_base_url(&self, org: &str) -> String {
+        format!(
+            "https://{}/api/v1/orgs/{}/activities/feeds?limit={}",
+            self.config.host, org, self.config.per_page
         )
     }
 
@@ -87,22 +94,51 @@ impl GiteaSource {
         }
         req
     }
+
+    /// Discover organizations the authenticated user belongs to.
+    /// Returns an empty vec if no token is configured or the request fails.
+    async fn discover_orgs(&self) -> Result<Vec<String>, SourceError> {
+        if self.config.token.is_none() {
+            return Ok(vec![]);
+        }
+        let url = format!("https://{}/api/v1/user/orgs", self.config.host);
+        let req = self.apply_headers(self.client.get(&url));
+        let resp = req
+            .send()
+            .await
+            .map_err(|e| SourceError::Http(e.to_string()))?;
+        if !resp.status().is_success() {
+            tracing::warn!(status = %resp.status(), "failed to discover gitea orgs");
+            return Ok(vec![]);
+        }
+        let orgs: Vec<Value> = resp
+            .json()
+            .await
+            .map_err(|e| SourceError::Parse(e.to_string()))?;
+        Ok(orgs
+            .iter()
+            .filter_map(|o| o.get("username").and_then(Value::as_str).map(String::from))
+            .collect())
     }
 
-#[async_trait]
-impl EventSource for GiteaSource {
-    fn name(&self) -> &'static str {
-        SOURCE_NAME
-    }
-
-    async fn poll(&self) -> Result<usize, SourceError> {
-        let prior = self.state.load(SOURCE_NAME).await?;
+    /// Poll a single activity feed, paginating on first run. When `filter_user`
+    /// is true, only events performed by `self.config.user` are ingested (used
+    /// for org feeds which contain all members' activity).
+    ///
+    /// `base_url` should contain everything except the `&page=N` suffix.
+    async fn poll_feed(
+        &self,
+        state_key: &str,
+        base_url: &str,
+        filter_user: bool,
+    ) -> Result<usize, SourceError> {
+        let prior = self.state.load(state_key).await?;
         let first_run = prior.is_none();
         let max_pages = if first_run { MAX_BACKFILL_PAGES } else { 1 };
 
         let mut total = 0usize;
         for page in 1..=max_pages {
-            let url = self.page_url(page);
+            let url = format!("{base_url}&page={page}");
             let req = self.apply_headers(self.client.get(&url));
             let resp = req
                 .send()
@@ -121,6 +157,16 @@ impl EventSource for GiteaSource {
 
             let events: Vec<Event> = items
                 .iter()
+                .filter(|it| {
+                    if !filter_user {
+                        return true;
+                    }
+                    it.get("act_user")
+                        .and_then(|u| u.get("login"))
+                        .and_then(Value::as_str)
+                        .map(|login| login.eq_ignore_ascii_case(&self.config.user))
+                        .unwrap_or(false)
+                })
                 .filter_map(|it| parse_gitea_event(it, &self.config.host))
                 .collect();
             total += self.writer.upsert_events(&events).await?;
@@ -130,8 +176,37 @@ impl EventSource for GiteaSource {
             }
         }
 
-        self.state.touch(SOURCE_NAME).await?;
-        debug!(ingested = total, "gitea poll complete");
+        self.state.touch(state_key).await?;
+        Ok(total)
+    }
+}
+
+#[async_trait]
+impl EventSource for GiteaSource {
+    fn name(&self) -> &'static str {
+        SOURCE_NAME
+    }
+
+    async fn poll(&self) -> Result<usize, SourceError> {
+        // Poll user's own activity feed (existing behavior).
+        let user_url = self.user_feed_base_url();
+        let mut total = self.poll_feed(SOURCE_NAME, &user_url, false).await?;
+
+        // Discover orgs and poll each org's activity feed, filtering for
+        // events performed by this user.
+        let orgs = self.discover_orgs().await?;
+        for org in &orgs {
+            let state_key = format!("gitea:org:{org}");
+            let org_url = self.org_feed_base_url(org);
+            match self.poll_feed(&state_key, &org_url, true).await {
+                Ok(n) => total += n,
+                Err(e) => {
+                    tracing::warn!(org = %org, error = %e, "failed to poll org feed");
+                }
+            }
+        }
+
+        debug!(ingested = total, orgs = orgs.len(), "gitea poll complete");
         Ok(total)
     }
 }
@@ -191,6 +266,37 @@ mod tests {
         );
     }
 
+    #[test]
+    fn org_event_user_filter_predicate() {
+        let by_user = json!({
+            "id": 500, "op_type": "commit_repo", "is_private": false,
+            "created": "2026-05-03T10:00:00Z",
+            "act_user": { "login": "grenade" },
+            "repo": { "full_name": "myorg/somerepo" }
+        });
+        let by_other = json!({
+            "id": 501, "op_type": "commit_repo", "is_private": false,
+            "created": "2026-05-03T10:01:00Z",
+            "act_user": { "login": "otherperson" },
+            "repo": { "full_name": "myorg/somerepo" }
+        });
+        // Both parse as valid events
+        assert!(parse_gitea_event(&by_user, "git.lair.cafe").is_some());
+        assert!(parse_gitea_event(&by_other, "git.lair.cafe").is_some());
+        // The user-filter predicate used by poll_feed
+        let is_user = |item: &Value, user: &str| -> bool {
+            item.get("act_user")
+                .and_then(|u| u.get("login"))
+                .and_then(Value::as_str)
+                .map(|login| login.eq_ignore_ascii_case(user))
+                .unwrap_or(false)
+        };
+        assert!(is_user(&by_user, "grenade"));
+        assert!(!is_user(&by_other, "grenade"));
+        // Case-insensitive match
+        assert!(is_user(&by_user, "Grenade"));
+    }
+
     #[test]
     fn private_event_marked_private() {
         let raw = json!({