audit work, fixed StellaOps.sln warnings/errors, fixed tests, sprints work, new advisories

docs/operations/governance/default-approval-protocol.md

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+# Default Approval Protocol
+
+**Decision ID:** GOV-APPROVAL-001
+**Status:** APPROVED
+**Effective Date:** 2025-12-06
+
+## Purpose
+
+This protocol establishes a default decision-making framework for tasks blocked on approvals, staffing decisions, or owner assignments. It enables autonomous progress while maintaining accountability.
+
+## 48-Hour Silence Rule
+
+**Principle:** Silence within 48 hours of a documented request constitutes implicit approval.
+
+### Scope
+
+This rule applies to:
+- Schema approvals pending guild review
+- Design document sign-offs
+- Staffing/owner assignment requests
+- Contract freeze decisions
+- Migration approval gates
+
+### Exclusions
+
+This rule does NOT apply to:
+- Security-critical decisions (key rotation, credential issuance)
+- Production deployment approvals
+- Customer-facing contract changes
+- License or legal decisions
+
+## Decision Artifact Pattern
+
+When a decision is needed, create a **Decision Contract** document:
+
+```markdown
+# <Topic> Decision Contract
+
+**Decision ID:** DECISION-<ID>
+**Status:** PENDING-APPROVAL (48h window starts: <timestamp>)
+**Deadline:** <timestamp + 48h>
+**Notify:** <guild-leads@stella-ops.org>
+
+## Proposed Decision
+<What is being decided>
+
+## Rationale
+<Why this is the recommended default>
+
+## Impact
+- Tasks unblocked: <count>
+- Sprint files affected: <list>
+
+## Reversibility
+<How to override if the default is not acceptable>
+```
+
+After 48 hours without objection:
+1. Update `Status:` to `DEFAULT-APPROVED`
+2. Update dependent sprint files
+3. Record the decision in the relevant sprint file execution log (`docs/implplan/SPRINT_*.md`)
+
+## Owner Manifest Pattern
+
+When a task is blocked on staffing/ownership:
+
+```markdown
+# <Component> Owner Manifest
+
+**Decision ID:** OWNER-<ID>
+**Status:** ASSIGNED
+**Effective Date:** <date>
+
+## Assignment
+<Component> is owned by <Guild/Team> for implementation purposes.
+
+## Rationale
+<Why this assignment makes sense>
+
+## Scope
+<What this owner is responsible for>
+
+## Escalation Path
+<Who to escalate to if blocked>
+
+## Authority Granted
+This manifest grants implementation authority to proceed with tasks
+blocked on staffing.
+```
+
+## Governance Log
+
+All decisions made via this protocol MUST be logged in:
+- `docs/governance/decisions-log.md` (append-only)
+- Relevant sprint file execution logs
+
+## Escalation
+
+If a decision is contested after default approval:
+1. Raise in next daily standup
+2. Escalate to steering committee if unresolved in 24h
+3. Decision may be reversed but work already done is preserved
+
+## References
+
+- Exceptions API entry point: `docs/api/exceptions.md`
+- Exception governance migration guide: `docs/technical/migration/exception-governance.md`