Branch main Algo backup

Algorithm: Backup

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Field	Value
Branch	main
Source	specs/algorithms/backup.pseudo.md
Commit	5b2aac39fcf8
Synced (UTC)	2026-06-20T05:49:16Z

Visual Context

Algorithm pages define deterministic platform-neutral behavior that downstream repos implement behind native adapters.

flowchart LR
  Input["Input contract"] --> Preconditions["Preconditions"]
  Preconditions --> Decision["Deterministic decision"]
  Decision --> Output["Output contract"]
  Decision --> Diagnostic["Diagnostic envelope"]
  Diagnostic --> Audit["Audit chain"]

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Reading Checklist

Question	Where to look
What is deterministic?	Read the pseudocode branch table and preconditions.
What blocks unsafe behavior?	Look for blocked, ambiguous, policy, or precondition paths.
How is the decision reconstructable?	Trace diagnostic and audit requirements.

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Source Content

Backup

Use backup_lifecycle.pseudo.md as normative. Backup records must include source hash, storage reference, status, diagnostics, and escalation on failure.