feat: extend Gateway, Control, and pVisor capture paths

[reiase]

Summary

• add config-free pchronicle serve --gateway controls for address, dataset, split template, and 30-minute idle projection
• add Langfuse-compatible OTLP JSON/protobuf ingestion with durable chunking for large batches
• add live canonical event/storyline/trajectory reads and reduce Catalog refreshes to source discovery/publication boundaries
• update Control and pVisor capture/storage paths, CLI surfaces, docs, and stress coverage

Validation

• cargo fmt --all -- --check
• cargo test -p persisting-pchronicle --lib --offline (457 passed)
• cargo test -p persisting-pchronicle-cli --lib --offline (191 passed)
• cargo test -p persisting-pvisor --lib --offline (143 passed, 2 ignored)
• affected crate regression suite for events/gateway/pchronicle-cli/ppilot/pvisor passed except the pVisor CLI parser regression fixed and re-run successfully

The local .workbuddy/ directory is intentionally not included.