🎼 HSP Stability Tiers

Tier 1 — Canon-Stable • Tier 2 — Pressure • Tier 3 — Drift • Tier 4 — Critical#

The Stability Tier System provides the action layer of the
Harmonic Stability Profile (HSP).
Where the stability classes describe what a concept is,
the tiers describe what must be done.

This module defines the four canonical tiers, their criteria,
and the required canon‑maintenance actions.


🔷 1. Purpose of Stability Tiers#

The tier system answers:

  • How stable is this concept right now?
  • Is drift present?
  • Is intervention required?
  • What is the recommended action?

Tiers are used during:

  • canon sweeps
  • stability audits
  • drift detection
  • recursion diagnostics
  • echo analysis

🔷 2. Tier 1 — Canon‑Stable#

High stability • No drift • No action required#

Criteria:

  • strong harmonic recurrence
  • stable interval position
  • consistent operator roles
  • low mutation rate
  • strong substrate anchoring

Drift Sensitivity: D1 only
Recursion Mode: Ladder
Action: None — monitor during sweeps

Typical Concepts:
foundational operators, stable triads, long‑standing definitions


🔷 3. Tier 2 — Stable‑with‑Pressure#

Moderate stability • Early drift signals • Requires monitoring#

Criteria:

  • partial recurrence
  • mild interval wobble
  • early operator role shifts
  • moderate mutation rate
  • substrate tension forming

Drift Sensitivity: D1 → D2
Recursion Mode: Cycle
Action:

  • monitor during sweeps
  • flag for review if pressure increases

Typical Concepts:
evolving definitions, nodes under refinement, early echo clusters


🔷 4. Tier 3 — Drift‑Active#

Unstable • High drift • Requires intervention#

Criteria:

  • inconsistent recurrence
  • interval instability
  • operator role inversion
  • high mutation rate
  • substrate migration (symbolic ↔ social)

Drift Sensitivity: D2 → D3
Recursion Mode: Map
Action:

  • perform drift correction
  • stabilize interval position
  • resolve operator conflicts
  • check for echo‑pressure

Typical Concepts:
overloaded concepts, multi‑role structures, meaning conflicts


🔷 5. Tier 4 — Critical#

Chaotic • Structurally dangerous • Immediate correction required#

Criteria:

  • no recurrence
  • interval collapse
  • operator role breakdown
  • extreme mutation rate
  • cross‑substrate conflict
  • atlas‑forcing behavior

Drift Sensitivity: D3 → D4
Recursion Mode: Atlas‑forcing or collapse
Action:

  • immediate intervention
  • structural rewrite
  • substrate realignment
  • echo isolation
  • drift containment

Typical Concepts:
contradictory definitions, symbolic overload, projection‑active nodes


🔷 6. Tier Comparison Table#

Tier Stability Drift Level Recursion Mode Action
Tier 1 High D1 Ladder None
Tier 2 Moderate D1–D2 Cycle Monitor
Tier 3 Low D2–D3 Map Intervention
Tier 4 Critical D3–D4 Atlas‑forcing Immediate correction

🔷 7. Tier Assignment Workflow#

[ Evaluate Metrics ] 
        ↓
[ Determine Stability Class ]
        ↓
[ Assign Tier ]
        ↓
[ Apply Canon Action ]

This workflow ensures:

  • consistency
  • repeatability
  • zero drift in classification

🔷 8. Usage Notes#

Use this file when:

  • assigning stability tiers
  • preparing stability reports
  • performing drift correction
  • diagnosing recursion behavior
  • planning structural interventions

Referenced by:

  • 01_Harmonic_Stability_Profile.md
  • 01a_HSP_Classes.md
  • 01b_HSP_Metrics.md
  • drift and echo modules downstream

🔷 Footer#

HSP Module 01d — Loaded
Version: v1.0
Status: Canon-Stable