Copilot CLI session file cannot be opened in VS Code Copilot Chat: Invalid 'ephemeral' value literal #2000

{"type":"session.start","data":{"sessionId":"<session-id>","version":1,"producer":"copilot-agent","copilotVersion":"1.0.4","startTime":"2026-03-12T12:36:24.489Z","context":{"cwd":"/path/to/project","gitRoot":"/path/to/project","branch":"main","headCommit":"<commit-sha>","repository":"<repo-name>","hostType":"github","baseCommit":"<commit-sha>"},"alreadyInUse":false},"id":"<uuid-1>","timestamp":"2026-03-12T12:36:24.540Z","parentId":null}
{"type":"user.message","data":{"content":"hi","transformedContent":"<current_datetime>2026-03-12T12:36:30.132Z</current_datetime>\n\nhi\n\n<reminder>\n<sql_tables>No tables currently exist. Default tables (todos, todo_deps) will be created automatically when you first use the SQL tool.</sql_tables>\n</reminder>","source":"user","attachments":[],"interactionId":"<uuid-2>"},"id":"<uuid-3>","timestamp":"2026-03-12T12:36:30.132Z","parentId":"<uuid-4>"}
{"type":"assistant.turn_start","data":{"turnId":"0","interactionId":"<uuid-2>"},"id":"<uuid-5>","timestamp":"2026-03-12T12:36:30.142Z","parentId":"<uuid-3>"}
{"type":"assistant.message","data":{"messageId":"<uuid-6>","content":"Hi! How can I help you today?","toolRequests":[],"interactionId":"<uuid-2>","outputTokens":12},"id":"<uuid-7>","timestamp":"2026-03-12T12:36:33.201Z","parentId":"<uuid-8>"}
{"type":"assistant.turn_end","data":{"turnId":"0"},"id":"<uuid-9>","timestamp":"2026-03-12T12:36:33.201Z","parentId":"<uuid-7>"}
{"type":"session.shutdown","data":{"shutdownType":"routine","totalPremiumRequests":1,"totalApiDurationMs":2753,"sessionStartTime":1773318984489,"codeChanges":{"linesAdded":0,"linesRemoved":0,"filesModified":[]},"modelMetrics":{"claude-sonnet-4.6":{"requests":{"count":1,"cost":1},"usage":{"inputTokens":22344,"outputTokens":12,"cacheReadTokens":0,"cacheWriteTokens":0}}},"currentModel":"claude-sonnet-4.6"},"id":"<uuid-10>","timestamp":"2026-03-12T12:36:36.964Z","parentId":"<uuid-11>"}