Revert "fix: post-process AT-URI decomposition for Tangled records" This reverts commit 9a8b9c364de736868da8e920201a4db05845a46a.

148148     ) -> Option<Result<serde_json::Value>> {
149149         let morphism = self.tangled_morphisms.get(tangled_nsid)?;
150150         let result = apply_morphism(morphism, record);
151-        // The compiled morphism includes DB projection field transforms
152-        // (AT-URI decomposition, renames, etc.) but lift_wtype_sigma may not
153-        // apply them due to vertex key mismatches in cross-schema morphisms.
154-        // Post-process to ensure AT-URI fields are decomposed.
155-        match result {
156-            Ok(mut json) => {
157-                post_process_uris(&mut json);
158-                Some(Ok(json))
159-            }
160-            Err(e) => Some(Err(e)),
161-        }
162-    }
163-}
164-
165-/// Decompose AT-URI fields that the DB projection should have handled.
166-/// For records with a `repo` field containing an AT-URI, extract `repoDid` and `repoName`.
167-fn post_process_uris(json: &mut serde_json::Value) {
168-    let obj = match json.as_object_mut() {
169-        Some(o) => o,
170-        None => return,
171-    };
172-
173-    // repo AT-URI → repoDid + repoName
174-    if let Some(repo_uri) = obj.get("repo").and_then(|v| v.as_str()).map(String::from) {
175-        if let Some(parsed) = crate::at_uri::parse(&repo_uri) {
176-            obj.insert("repoDid".to_string(), serde_json::Value::String(parsed.did));
177-            obj.insert("repoName".to_string(), serde_json::Value::String(parsed.rkey));
151+        if let Ok(ref json) = result {
152+            tracing::debug!(
153+                tangled = tangled_nsid,
154+                cospan = %morphism.cospan_nsid,
155+                has_repo_did = json.get("repoDid").is_some(),
156+                has_repo = json.get("repo").is_some(),
157+                keys = ?json.as_object().map(|o| o.keys().collect::<Vec<_>>()),
158+                "tangled transform output"
159+            );
178160         }
179-        obj.remove("repo");
180-    }
181-
182-    // issue AT-URI → issueUri
183-    if let Some(issue_uri) = obj.get("issue").and_then(|v| v.as_str()).map(String::from) {
184-        obj.insert("issueUri".to_string(), serde_json::Value::String(issue_uri));
185-        obj.remove("issue");
186-    }
187-
188-    // pull AT-URI → pullUri
189-    if let Some(pull_uri) = obj.get("pull").and_then(|v| v.as_str()).map(String::from) {
190-        obj.insert("pullUri".to_string(), serde_json::Value::String(pull_uri));
191-        obj.remove("pull");
161+        Some(result)
192162     }
193163 }
194164