ref(cli): Only show error rows in code-mappings upload table

For large uploads (hundreds of mappings), printing every row floods
the terminal. Show only failed mappings in the table since those are
actionable; successful ones are already reflected in the summary counts.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: romtsn

src/commands/code_mappings/upload.rs

@@ -153,28 +153,28 @@ pub fn execute(matches: &ArgMatches) -> Result<()> {
         }
     }
 
-    // Display results
-    if !merged.mappings.is_empty() {
+    // Display error details (successful mappings are summarized in counts only).
+    let error_mappings: Vec<_> = merged
+        .mappings
+        .iter()
+        .filter(|r| r.status == "error")
+        .collect();
+
+    if !error_mappings.is_empty() {
         let mut table = Table::new();
         table
             .title_row()
             .add("Stack Root")
             .add("Source Root")
-            .add("Status");
-
-        for result in &merged.mappings {
-            let status = match result.status.as_str() {
-                "error" => match &result.detail {
-                    Some(detail) => format!("error: {detail}"),
-                    None => "error".to_owned(),
-                },
-                s => s.to_owned(),
-            };
+            .add("Detail");
+
+        for result in &error_mappings {
+            let detail = result.detail.as_deref().unwrap_or("unknown error");
             table
                 .add_row()
                 .add(&result.stack_root)
                 .add(&result.source_root)
-                .add(&status);
+                .add(detail);
         }
 
         table.print();

tests/integration/_cases/code_mappings/code-mappings-upload-partial-error.trycmd

@@ -0,0 +1,17 @@
+```
+$ sentry-cli code-mappings upload tests/integration/_fixtures/code_mappings/mappings.json --org wat-org --project wat-project --repo owner/repo --default-branch main
+? failed
+Uploading 2 code mapping(s)...
++------------------+---------------------------------------------+-------------------+
+| Stack Root       | Source Root                                 | Detail            |
++------------------+---------------------------------------------+-------------------+
+| com/example/maps | modules/maps/src/main/java/com/example/maps | duplicate mapping |
++------------------+---------------------------------------------+-------------------+
+
+Created: 1, Updated: 0, Errors: 1
+error: 1 error(s) during upload. See details above.
+
+Add --log-level=[info|debug] or export SENTRY_LOG_LEVEL=[info|debug] to see more output.
+Please attach the full debug log to all bug reports.
+
+```

tests/integration/_cases/code_mappings/code-mappings-upload.trycmd

@@ -2,13 +2,6 @@
 $ sentry-cli code-mappings upload tests/integration/_fixtures/code_mappings/mappings.json --org wat-org --project wat-project --repo owner/repo --default-branch main
 ? success
 Uploading 2 code mapping(s)...
-+------------------+---------------------------------------------+---------+
-| Stack Root       | Source Root                                 | Status  |
-+------------------+---------------------------------------------+---------+
-| com/example/core | modules/core/src/main/java/com/example/core | created |
-| com/example/maps | modules/maps/src/main/java/com/example/maps | created |
-+------------------+---------------------------------------------+---------+
-
 Created: 2, Updated: 0, Errors: 0
 
 ```

tests/integration/_responses/code_mappings/post-bulk-partial-error.json

@@ -0,0 +1,9 @@
+{
+  "created": 1,
+  "updated": 0,
+  "errors": 1,
+  "mappings": [
+    {"stackRoot": "com/example/core", "sourceRoot": "modules/core/src/main/java/com/example/core", "status": "created"},
+    {"stackRoot": "com/example/maps", "sourceRoot": "modules/maps/src/main/java/com/example/maps", "status": "error", "detail": "duplicate mapping"}
+  ]
+}

tests/integration/code_mappings/upload.rs

@@ -13,6 +13,17 @@ fn command_code_mappings_upload() {
         .with_default_token();
 }
 
+#[test]
+fn command_code_mappings_upload_partial_error() {
+    TestManager::new()
+        .mock_endpoint(
+            MockEndpointBuilder::new("POST", "/api/0/organizations/wat-org/code-mappings/bulk/")
+                .with_response_file("code_mappings/post-bulk-partial-error.json"),
+        )
+        .register_trycmd_test("code_mappings/code-mappings-upload-partial-error.trycmd")
+        .with_default_token();
+}
+
 #[test]
 fn command_code_mappings_upload_batches() {
     // Generate a fixture with 301 mappings to force 2 batches (300 + 1).