From d608f5e9637433e62b6393d40212fd4006bee953 Mon Sep 17 00:00:00 2001
From: Satya <satyabhangt@gmail.com>
Date: Tue, 7 Jul 2026 13:39:03 -0400
Subject: [PATCH] =?UTF-8?q?filter=20synthesis:=20omit=20Field-Backed=20JSO?=
 =?UTF-8?q?NB=20Bubbles=20from=20Composed=20Filter=20References=20?=
 =?UTF-8?q?=E2=80=94=20only=20Table-Backed=20boundaries=20have=20a=20synth?=
 =?UTF-8?q?esized=20.filter=20to=20proxy=20to;=20a=20dangling=20proxy=20re?=
 =?UTF-8?q?ference=20breaks=20downstream=20code=20generators=20consuming?=
 =?UTF-8?q?=20the=20exported=20registry.=20Fixture=20pins=20a=20bubble-typ?=
 =?UTF-8?q?ed=20property:=20omitted=20from=20the=20filter,=20raw=20schemas?=
 =?UTF-8?q?=20promoted,=20no=20phantom=20.filter.?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 fixtures/filter.json           | 32 +++++++++++++++++++++++++++++++-
 src/database/compile/filter.rs | 12 ++++++++++--
 2 files changed, 41 insertions(+), 3 deletions(-)

diff --git a/fixtures/filter.json b/fixtures/filter.json
index 5ce1415..8b39dfa 100644
--- a/fixtures/filter.json
+++ b/fixtures/filter.json
@@ -87,6 +87,34 @@
                       "type": "string"
                     }
                   }
+                },
+                "schedule": {
+                  "type": [
+                    "opening_hours",
+                    "null"
+                  ]
+                }
+              }
+            },
+            "opening_hours": {
+              "type": "object",
+              "properties": {
+                "open": {
+                  "type": "string"
+                },
+                "seasons": {
+                  "type": "array",
+                  "items": {
+                    "type": "season"
+                  }
+                }
+              }
+            },
+            "season": {
+              "type": "object",
+              "properties": {
+                "label": {
+                  "type": "string"
                 }
               }
             }
@@ -483,7 +511,9 @@
                   ]
                 }
               }
-            }
+            },
+            "opening_hours": {},
+            "season": {}
           }
         }
       }
diff --git a/src/database/compile/filter.rs b/src/database/compile/filter.rs
index 2474432..06e5c4d 100644
--- a/src/database/compile/filter.rs
+++ b/src/database/compile/filter.rs
@@ -165,8 +165,16 @@ impl Schema {
         } else if db.enums.contains_key(custom) {
           Some(vec![format!("{}.condition", custom)])
         } else {
-          // Assume anything else is a Relational cross-boundary that already has its own .filter dynamically built
-          Some(vec![format!("{}.filter", custom)])
+          // Only a Table-Backed boundary has a synthesized Composed Filter to proxy to.
+          // A Field-Backed JSONB Bubble has none — omit it like an inline object rather
+          // than emit a dangling proxy reference, which breaks eager consumers of the
+          // exported registry (downstream code generators).
+          let base = custom.split('.').next_back().unwrap_or(custom);
+          if db.types.contains_key(base) {
+            Some(vec![format!("{}.filter", custom)])
+          } else {
+            None
+          }
         }
       }
     }