chore: sync api from Mono

[evalops-mirror]

api projection

Mono source: dx-corp/mono@a971433d12b40d9042b3a64c2c074fa8fc398e69.
Prior destination base: a1200fe.
Projected content SHA-256: c208c05b6098096d7609fa40fa7a54ea122b054e5b030cd14f5840194fcdc647.

8 changed; 45 deleted.

• copy/update .repository-projection.json
• copy/update README.md
• copy/update buf.yaml
• copy/update contracts/public-surface.json
• copy/update docs/deixic-sdk.md
• copy/update openapi/deixicpublic/v1/sdk.openapi.yaml
• copy/update proto/deixicpublic/v1/sdk.proto
• copy/update scripts/distribution-validation.mjs
• delete buf.lock
• delete openapi/agentruntime/v1/runtime.openapi.yaml
• delete openapi/agents/v1/agents.openapi.yaml
• delete openapi/codex/v1/codex.openapi.yaml
• delete openapi/common/v1/analytics.openapi.yaml
• delete openapi/common/v1/authz.openapi.yaml
• delete openapi/common/v1/classification.openapi.yaml
• delete openapi/common/v1/delivery.openapi.yaml
• delete openapi/common/v1/entity.openapi.yaml
• delete openapi/common/v1/risk.openapi.yaml
• delete openapi/common/v1/surface.openapi.yaml
• delete openapi/connectors/v1/connectors.openapi.yaml
• delete openapi/console/v1/console.openapi.yaml
• delete openapi/deixic/v1/deixic.openapi.yaml
• delete openapi/memory/v1/memory.openapi.yaml
• delete openapi/meter/v1/meter.openapi.yaml
• delete openapi/objectives/v1/objectives.openapi.yaml
• delete openapi/orbcontrol/v1/orb_control.openapi.yaml
• delete openapi/platform/v1/platform.openapi.yaml
• delete openapi/remoterunner/v1/remoterunner.openapi.yaml

Mono owns projected source. Destination-owned CI and policy are preserved.
Apply the sync-hold label to this PR to suspend generated updates during intentional destination work.
Source-side verification does not establish destination CI health. Review destination checks before merging.

Change-Origin: generated