feature/osoh push governance to mvp bridge

docs/governance/OSOH_PUSH_GOVERNANCE_TO_MVP_BRIDGE.md

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+# OSOH Push Governance To MVP Bridge
+
+## Purpose
+Translate the completed Sentinel push constitutional admission phase into the exact MVP implementation descent boundary without collapsing Level 5 governance.
+
+## Governance-To-MVP Bridge Rules
+
+### Rule 1 — Descent Authorization Boundary
+Descent from Level 5 to lower levels is allowed only to implement bounded push telemetry participation consistent with the constitutional admission phase already completed.
+
+### Rule 2 — Implementation Scope Lock
+The next MVP implementation scope is limited to:
+- Sentinel deployment event sender
+- Sentinel heartbeat sender
+- OSOH ingest environment wiring
+- bounded secret handling
+- proof that push evidence enters OSOH as telemetry only
+
+### Rule 3 — Prohibited Descent Expansion
+The next descent must not yet:
+- elevate Sentinel to active monitored-surface status
+- treat push evidence as sufficient for activation
+- grant broader credentials
+- collapse externality labeling
+- bypass future hybrid verification
+
+### Rule 4 — MVP Bridge Meaning
+The purpose of the next implementation slice is not trust admission. It is evidence-path realization under constitutional containment.
+
+### Rule 5 — Return Condition
+After the push telemetry path is implemented, governance review must confirm that externality, telemetry-only interpretation, credential containment, fail-closed handling, and hybrid dependency remain intact.
+
+## Phase Completion Marker
+This bridge phase is complete when the permitted implementation descent is explicitly bounded to push telemetry realization without activation or trust transfer.

docs/governance/OSOH_PUSH_GOVERNANCE_TO_MVP_BRIDGE_DONE_DEFINITION.md

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+# OSOH Push Governance To MVP Bridge — Done Definition
+
+## Done Definition
+
+### Condition 1 — Allowed Descent Is Explicit
+The only authorized descent from Level 5 at this stage is the bounded implementation of Sentinel push telemetry into OSOH.
+
+### Condition 2 — Scope Is Narrowed To MVP Push Realization
+The immediate lower-level work is restricted to deployment events, heartbeat events, ingest environment wiring, secret containment, and telemetry-path proof.
+
+### Condition 3 — Activation Is Still Blocked
+No implementation in the next slice may activate Sentinel, imply trust admission, or replace the later hybrid proof requirement.
+
+### Condition 4 — Constitutional Invariants Stay Binding
+Externality, telemetry-only interpretation, ingest-only credential scope, fail-closed handling, and OSOH final authority remain binding during and after descent.
+
+### Condition 5 — Review Return Path Exists
+Once the push telemetry path is implemented, the result must be reviewable back against the Level 5 constitutional rules before any further descent.
+
+## Phase Completion Marker
+This phase is complete when the implementation descent is explicitly authorized, tightly scoped, activation-blocked, constitutionally bound, and review-returnable.