CLI configuration previews and writes

The authenticated /api/cli-tools/config and /api/cli-tools/apply routes return non-cacheable, redacted previews. They preserve the existing authentication and authorization checks. Request bodies reject unknown fields. An explicit base URL must use HTTP(S) without embedded username/password credentials; when omitted, the server’s configured base URL is used.

For a batch preview, GET /api/cli-tools/config accepts an optional baseUrl query parameter and takes the configuration credential from the x-omniroute-config-api-key header. Credentials in the query string are rejected. POST /api/cli-tools/config accepts toolId, baseUrl, apiKey and optional model in its JSON body. Responses use Cache-Control: no-store on both success and error paths. Preview text is not a usable credential-bearing configuration.

Preview projection redacts serialized caller credentials and credential fields already present in merged JSONC, TOML or YAML profiles. The apply route writes the original configuration; preview redaction does not alter the on-disk values. Malformed JSON is rejected with 400. Public error responses use the standard sanitized error envelope.

Applying a configuration uses a private temporary file in the destination directory, flushes it, and atomically renames it into place. Files and backups use mode 0600; permissions are set on the owned descriptor before rename. Final destination symlinks and non-regular files are refused. Codex and OpenCode reads also refuse final-path symlinks before merging existing TOML/JSONC. This does not claim protection against an adversary who controls the parent directory.

The container write guard remains active: an unsafe ephemeral destination returns 422 and directs the operator to the host-side setup command. A dry run remains available and does not write files. See CLI integrations for the supported host-side setup commands and error sanitization for the public error contract.

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