Structural entanglement established within stated domain. Simultaneous formal necessity conditional on OP2 and TC2 §4 closure.
What this instrument is. An interactive visualization of the elimination filter applied to a simplified two-dimensional objective space. It shows which objective classes are filtered out, which residual candidate region remains, and how open questions determine that region's width and formal weight. It is a conceptual navigation instrument — not a dynamics simulator (Toy 05), not a phase-space regime map (Toy 06), and not a goal-chain classifier (Toy 04).
On "Not filtered." "Not filtered" in a row means: the filter does not exclude this objective class under current structural arguments. It does not mean alignment achieved, safe, good, or the contents of the surviving region characterized. This distinction is Article 4's most important epistemic claim and is preserved throughout. The residual candidate region is never shown in green. Green in individual filter rows indicates only a row-level non-filtering result.
On the axes. The two axes represent structural properties of objective classes, not computed scores. They are separated for visualization. Article 4's coupling claim is precisely that they are not independent under sustained optimization: degradation in V(t) can degrade S_corr, and degraded S_corr can degrade the conditions for V(t) restoration. The coupling indicators show structural pressure direction, not simulated causal trajectories.
On the residual candidate region. The residual region is what remains after the filtered regions have been removed — a structural boundary, not a destination. It is not colored as a goal, safe zone, or design specification. The filter clears space; it does not fill it. "Residual candidate region" means: objective classes the filter does not eliminate. It does not mean: the good, the safe, or the fully characterized.
On the four filtered regions. Three quadrants are filtered. Filtering carries different formal weights: "filtered out" is used primarily for the lower-left where both structural floors apply. "Under structural pressure" is used where the toy shows a pressure signature rather than theorem-level exclusion. "Conditionally unresolved" is used for OP4/OP9 frontier cases.
On the open question counterfactuals. The three toggles illustrate what would follow from each resolution direction. They do not predict, advocate for, or assume any particular resolution. OP2 affects the formal-weight meter, not map geometry. OP4 and OP9 affect the residual region's width and frontier. Stage 4 means: candidate proof architecture under named premises, specialist verification outstanding.
On the scenario engine. A four-stage illustration of the structural argument's predicted failure signature. Not a documentation of any deployed system. The engagement maximization pattern is cited as illustration, not evidence. Stage 1 structural filter status says "not tested by available metrics" — not "passes structurally." The Stage 4 metric view shows a performance-peak glow to illustrate the article's most important claim: optimization can appear most successful at the moment the substrate is terminally spent.
On the loop condition label. The coupling loop shows a teal state in the residual region. This means: loop condition preserved within current filter view. It does not mean safe, good, or aligned. The teal state is a structural signal about the repair loop's integrity, not a value claim.
On current-system presets. Illustrative of structural patterns discussed in the article. Not empirical placements of any system. The RLHF-style preset illustrates a structural pattern, not a claim about any implementation.