From 6c19192413e0b0cb7954a37f041061fc46def727 Mon Sep 17 00:00:00 2001
From: cthomas <caren@letta.com>
Date: Tue, 30 Dec 2025 10:35:53 -0800
Subject: [PATCH] fix: validation failure on blocks retrieve [LET-6709] (#8146)

* fix: validation failure on blocks retrieve

* api sync
---
 fern/openapi.json   | 44 ++++++++++++++++++++++++++++++++------------
 letta/validators.py | 10 +++++-----
 2 files changed, 37 insertions(+), 17 deletions(-)

diff --git a/fern/openapi.json b/fern/openapi.json
index a94299c0..3f8b1ca9 100644
--- a/fern/openapi.json
+++ b/fern/openapi.json
@@ -10263,17 +10263,22 @@
                   "type": "string",
                   "minLength": 1,
                   "maxLength": 50,
-                  "pattern": "^[a-zA-Z0-9_-]+$"
+                  "pattern": "^[a-zA-Z0-9_/-]+$"
                 },
                 {
                   "type": "null"
                 }
               ],
-              "description": "Label to include (alphanumeric, hyphens, underscores only)",
-              "examples": ["human", "persona", "the_label_of-a-block"],
+              "description": "Label to include (alphanumeric, hyphens, underscores, forward slashes)",
+              "examples": [
+                "human",
+                "persona",
+                "the_label_of-a-block",
+                "the_label_of-a-block/with-forward-slash"
+              ],
               "title": "Label"
             },
-            "description": "Label to include (alphanumeric, hyphens, underscores only)"
+            "description": "Label to include (alphanumeric, hyphens, underscores, forward slashes)"
           },
           {
             "name": "templates_only",
@@ -10461,14 +10466,19 @@
                   "type": "string",
                   "minLength": 1,
                   "maxLength": 50,
-                  "pattern": "^[a-zA-Z0-9_-]+$"
+                  "pattern": "^[a-zA-Z0-9_/-]+$"
                 },
                 {
                   "type": "null"
                 }
               ],
               "description": "Search blocks by label. If provided, returns blocks whose label matches the search query. This is a full-text search on block labels.",
-              "examples": ["human", "persona", "the_label_of-a-block"],
+              "examples": [
+                "human",
+                "persona",
+                "the_label_of-a-block",
+                "the_label_of-a-block/with-forward-slash"
+              ],
               "title": "Label Search"
             },
             "description": "Search blocks by label. If provided, returns blocks whose label matches the search query. This is a full-text search on block labels."
@@ -12177,17 +12187,22 @@
                   "type": "string",
                   "minLength": 1,
                   "maxLength": 50,
-                  "pattern": "^[a-zA-Z0-9_-]+$"
+                  "pattern": "^[a-zA-Z0-9_/-]+$"
                 },
                 {
                   "type": "null"
                 }
               ],
-              "description": "Label to include (alphanumeric, hyphens, underscores only)",
-              "examples": ["human", "persona", "the_label_of-a-block"],
+              "description": "Label to include (alphanumeric, hyphens, underscores, forward slashes)",
+              "examples": [
+                "human",
+                "persona",
+                "the_label_of-a-block",
+                "the_label_of-a-block/with-forward-slash"
+              ],
               "title": "Label"
             },
-            "description": "Label to include (alphanumeric, hyphens, underscores only)"
+            "description": "Label to include (alphanumeric, hyphens, underscores, forward slashes)"
           },
           {
             "name": "templates_only",
@@ -12375,14 +12390,19 @@
                   "type": "string",
                   "minLength": 1,
                   "maxLength": 50,
-                  "pattern": "^[a-zA-Z0-9_-]+$"
+                  "pattern": "^[a-zA-Z0-9_/-]+$"
                 },
                 {
                   "type": "null"
                 }
               ],
               "description": "Search blocks by label. If provided, returns blocks whose label matches the search query. This is a full-text search on block labels.",
-              "examples": ["human", "persona", "the_label_of-a-block"],
+              "examples": [
+                "human",
+                "persona",
+                "the_label_of-a-block",
+                "the_label_of-a-block/with-forward-slash"
+              ],
               "title": "Label Search"
             },
             "description": "Search blocks by label. If provided, returns blocks whose label matches the search query. This is a full-text search on block labels."
diff --git a/letta/validators.py b/letta/validators.py
index 7206664c..f4e489ea 100644
--- a/letta/validators.py
+++ b/letta/validators.py
@@ -172,11 +172,11 @@ IdentityIdQuery = Annotated[Optional[str], _create_id_query_validator(PrimitiveT
 BlockLabelQuery = Annotated[
     Optional[str],
     Query(
-        description="Label to include (alphanumeric, hyphens, underscores only)",
-        pattern=r"^[a-zA-Z0-9_-]+$",
+        description="Label to include (alphanumeric, hyphens, underscores, forward slashes)",
+        pattern=r"^[a-zA-Z0-9_/-]+$",
         min_length=1,
         max_length=50,
-        examples=["human", "persona", "the_label_of-a-block"],
+        examples=["human", "persona", "the_label_of-a-block", "the_label_of-a-block/with-forward-slash"],
     ),
 ]
 
@@ -198,10 +198,10 @@ BlockLabelSearchQuery = Annotated[
     Optional[str],
     Query(
         description="Search blocks by label. If provided, returns blocks whose label matches the search query. This is a full-text search on block labels.",
-        pattern=r"^[a-zA-Z0-9_-]+$",
+        pattern=r"^[a-zA-Z0-9_/-]+$",
         min_length=1,
         max_length=50,
-        examples=["human", "persona", "the_label_of-a-block"],
+        examples=["human", "persona", "the_label_of-a-block", "the_label_of-a-block/with-forward-slash"],
     ),
 ]