T3 Code real server / CLI launch argument reproduction Commit: 52a7b850177501f357cdcce54dec34ae1a82cceb Environment: Linux; isolated synthetic server home; project outside home. Fixture: ~/.claude/settings.json contains a valid JSON object. Authentication: server-host Claude connection inherited privately. CASE settings-tilde Launch arguments: --settings ~/.claude/settings.json Action: create a new Claude thread and send a short message. CLI exit: 0 {"threadId":"mcp:41438c6d-68ae-42ae-a4f9-df3020a9754c","runId":"run:thread:mcp%3A41438c6d-68ae-42ae-a4f9-df3020a9754c:ordinal:1","status":"completed","reply":"TILDE_PROOF_OK","error":null} CASE settings-absolute Launch arguments: --settings /server-home/.claude/settings.json Action: create a new Claude thread and send a short message. CLI exit: 0 {"threadId":"mcp:4dea9252-9599-48ec-bc6a-c40bda475e5b","runId":"run:thread:mcp%3A4dea9252-9599-48ec-bc6a-c40bda475e5b:ordinal:1","status":"completed","reply":"TILDE_PROOF_OK","error":null} CASE prompt-tilde Launch arguments: --append-system-prompt-file ~/.claude/settings.json Action: create a new Claude thread and send a short message. CLI exit: 0 {"threadId":"mcp:f2d2e294-7454-4f3b-a246-7a6ddaec3c70","runId":"run:thread:mcp%3Af2d2e294-7454-4f3b-a246-7a6ddaec3c70:ordinal:1","status":"completed","reply":"TILDE_PROOF_OK","error":null} CASE prompt-absolute Launch arguments: --append-system-prompt-file /server-home/.claude/settings.json Action: create a new Claude thread and send a short message. CLI exit: 0 {"threadId":"mcp:42c708c4-c23a-4331-80d8-b63af0d43af7","runId":"run:thread:mcp%3A42c708c4-c23a-4331-80d8-b63af0d43af7:ordinal:1","status":"completed","reply":"TILDE_PROOF_OK","error":null}