Execute connector processing and trigger archives through released TinyBus module

[senamakel]

Connector argument preparation, calendar defaults, task-window filtering and trigger archives still linked the TinyConnectors implementation into OpenHuman. These operations now execute through TinyConnectors v0.14.0 (contract 1.13); the host retains credentials, approvals, egress policy and lifecycle ownership. Opaque archive leases survive cancellation during open and close on user changes, sign-out and shutdown. Existing tool declarations and provider-facing errors are preserved.

The released module PR tinyconnectors#46 has merged. All 16 archive bytes were verified against checksum.toml and GitHub asset digests before pinning source 8b35ca5 and registry assets. Both tinyconnectors and tinyconnectors-sync are absent from the host normal/build graph. The measured flows profile falls from 340 packages / 318 names to 335 / 313; native builds remain two. This is a dependency measurement, not a binary-size claim.

Validation: 354 Composio tests using the actual released native artifact and local mocks; 176 module/Sentry tests; ten recorded-tool tests; no-loader library check; default library check; pure-contract and host graph audit; feature forwarding, crate-chain and Rust layout checks; dependency shedding and calibration. The new Sentry regression reproduced two events before the fix and now captures one sanitized event. Existing regressions pin exact authentication text and uninitialized-history reads.

Dependencies: boundary foundation #7292, then terminal reporting #7342. This stays draft until those dependencies land; the integration itself is implemented and locally verified. Canonical branch-creation rules blocked the upstream base branch, so this PR targets main and preserves the dependency history. The integration-only diff starts after ad08459.

The full migration still has 32 temporary dependency exceptions and two pending contracts. The existing module-pin gate reports unrelated computer/search/docs/runtime/MCP/Box source drift; this PR does not hide it with new exceptions. TinyRuntime remains excluded from this migration.

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