tetrate agentrouter api policy fallback-chain-policies update

UpdateFallbackChainPolicy updates mutable fallback chain policy fields.

Usage:
  tetrate agentrouter api policy fallback-chain-policies update [flags]

Flags:
      --customer-id string             Required: customer (tenant) that owns the target policy. (required)
      --fallback-chain-policy string   JSON value for fallback_chain_policy.
      --project-id string              Required only for the legacy PROJECT route.

Global Flags:
      --base-url string   override the active profile's base URL for this invocation
  -o, --output string     output format: json (default "json")
  -p, --profile string    credential profile (overrides AGENTROUTER_PROFILE / active)
  -q, --quiet             Suppress progress output; only errors and the final summary go to stderr
  -v, --verbose           Verbose output: plain-mode progress lines plus full per-blob chunk logs to stderr