{"record":{"id":"1d659f8a84e6f12d","repo":"ruvnet/ruflo","slug":"federation-could-not-persist-keypair-err-insta","errorCode":null,"errorMessage":"Federation: could not persist keypair (${err instanceof Error ? err.message : err}); using ephemeral key for this session","messagePattern":"Federation: could not persist keypair \\((.+?)\\); using ephemeral key for this session","errorType":"console","errorClass":null,"httpStatus":null,"severity":"error","filePath":"v3/@claude-flow/plugin-agent-federation/src/plugin.ts","lineNumber":137,"sourceCode":"        publicKeyHex = stored.publicKey;\n      } else {\n        privateKey = ed.utils.randomPrivateKey();\n        const pk = ed.getPublicKey(privateKey);\n        publicKeyHex = Buffer.from(pk).toString('hex');\n        if (!existsSync(keyDir)) mkdirSync(keyDir, { recursive: true, mode: 0o700 });\n        writeFileSync(keyPath, JSON.stringify({\n          nodeId,\n          privateKey: Buffer.from(privateKey).toString('hex'),\n          publicKey: publicKeyHex,\n          createdAt: new Date().toISOString(),\n        }, null, 2), { mode: 0o600 });\n      }\n    } catch (err) {\n      // Fall back to ephemeral key if persistence fails — still real crypto.\n      privateKey = ed.utils.randomPrivateKey();\n      const pk = ed.getPublicKey(privateKey);\n      publicKeyHex = Buffer.from(pk).toString('hex');\n      context.logger.warn(`Federation: could not persist keypair (${err instanceof Error ? err.message : err}); using ephemeral key for this session`);\n    }\n\n    const coordConfig: FederationCoordinatorConfig = {\n      nodeId,\n      publicKey: publicKeyHex,\n      endpoint,\n      capabilities: [\n        'send',\n        'receive',\n        'query-redacted',\n        'status',\n        'ping',\n        'discovery',\n        ...(signatureMode === 'legacy' ? [] : [JCS_SIGNATURE_PROTOCOL]),\n      ],\n      supportedProtocols: [\n        'websocket',\n        'http',","sourceCodeStart":119,"sourceCodeEnd":155,"githubUrl":"https://github.com/ruvnet/ruflo/blob/fa13ee4ad60ac2090b1480656eb233521790d640/v3/@claude-flow/plugin-agent-federation/src/plugin.ts#L119-L155","documentation":"Log warning in the federation plugin's initialize: generating or persisting the Ed25519 node keypair to disk failed (write error or key-dir issue); the plugin continues with a fresh ephemeral key that will not survive restarts.","triggerScenarios":"Thrown at v3/@claude-flow/plugin-agent-federation/src/plugin.ts:137 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":["Fix write permissions on the keypair persistence path; without persistence a new ephemeral key is generated each session, breaking peer identity continuity."],"exampleFix":null,"handlingStrategy":"fallback","validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"fa13ee4ad60ac2090b1480656eb233521790d640","analyzedAt":"2026-08-18T21:34:22.708Z","contentChangedAt":"2026-08-18T21:34:22.708Z","schemaVersion":2},"datasetVersion":"2026-09-14T00:17:10.932Z"}