Flutter Layout Overflow with Invalid JSON API Request

Bug Description
I see this API error, not sure what it might mean: ⏺ Let me run the tests properly by checking what test names exist:

⏺ Bash(flutter test test/features/properties/presentation/pages/property_duplication_test.dart --reporter=expanded)
⎿  Error: 00:00 +0: loading
/Users/ryan/dev/investor_lens/test/features/properties/presentation/pages/property_duplication_test.dart
00:00 +0: Property Duplication Feature - TDD Implementation (setUpAll)
00:00 +0: Property Duplication Feature - TDD Implementation RED: should show duplicate option in property actions menu
🔴 RED Phase: Testing duplicate button visibility...
══╡ EXCEPTION CAUGHT BY RENDERING LIBRARY ╞═════════════════════════════════════════════════════════
The following assertion was thrown during layout:
A RenderFlex overflowed by 58 pixels on the right.

The relevant error-causing widget was:
Row

… +160 lines (ctrl+r to see all)
⎿ API Error: 400 {"type":"error","error":{"type":"invalid_request_error","message":"The request body is not valid JSON:
no low surrogate in string: line 1 column 49319 (char 49318)"}}

Environment Info

• Platform: darwin
• Terminal: iTerm.app
• Version: 1.0.56
• Feedback ID: efc19108-18a6-4241-a067-d6caf6d91b85

Errors

[{"error":"Error: Command failed: security find-generic-password -a $USER -w -s \"Claude Code\"\nsecurity: SecKeychainSearchCopyNext: The specified item could not be found in the keychain.\n\n    at genericNodeError (node:internal/errors:983:15)\n    at wrappedFn (node:internal/errors:537:14)\n    at checkExecSyncError (node:child_process:882:11)\n    at execSync (node:child_process:954:15)\n    at A7 (file:///Users/ryan/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:797:5848)\n    at file:///Users/ryan/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:709:48013\n    at Q (file:///Users/ryan/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:609:14408)\n    at fY (file:///Users/ryan/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:709:45724)\n    at QK (file:///Users/ryan/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:709:44590)\n    at SB (file:///Users/ryan/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:709:50639)","timestamp":"2025-07-20T20:48:44.634Z"},{"error":"Error: ENOENT: no such file or directory, open '/proc/version'\n    at Module.readFileSync (node:fs:442:20)\n    at Object.readFileSync (file:///Users/ryan/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:615:7077)\n    at file:///Users/ryan/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:615:8638\n    at Q (file:///Users/ryan/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:609:14408)\n    at kT4 (file:///Users/ryan/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:709:62815)\n    at process.processTicksAndRejections (node:internal/process/task_queues:105:5)","timestamp":"2025-07-20T20:48:45.423Z"},{"error":"Error: 400 {\"type\":\"error\",\"error\":{\"type\":\"invalid_request_error\",\"message\":\"The request body is not valid JSON: no low surrogate in string: line 1 column 49319 (char 49318)\"}}\n    at V4.generate (file:///Users/ryan/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1249:6428)\n    at dM.makeStatusError (file:///Users/ryan/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1266:2101)\n    at dM.makeRequest (file:///Users/ryan/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:1266:5315)\n    at process.processTicksAndRejections (node:internal/process/task_queues:105:5)\n    at async w81.showErrors (file:///Users/ryan/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:2670:14158)\n    at async w81 (file:///Users/ryan/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:2210:1704)\n    at async mqB (file:///Users/ryan/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:2670:14009)\n    at async file:///Users/ryan/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:2670:9066\n    at async JKA (file:///Users/ryan/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:2670:1626)\n    at async ra (file:///Users/ryan/.claude/local/node_modules/@anthropic-ai/claude-code/cli.js:2670:9036)","timestamp":"2025-07-20T20:49:13.450Z"}]