jc: clippy clean on --all-targets, armed in jc-proof.yml (TD-JC-CLIPPY-RED-ON-BASE-1)

[AdaWorldAPI]

What

Resolves TD-JC-CLIPPY-RED-ON-BASE-1: crates/jc was red under cargo clippy --manifest-path crates/jc/Cargo.toml --all-targets -- -D warnings on main, and no CI step ran it (the crate is workspace-excluded, so root clippy never reaches it). This PR fixes the 30-odd findings across lib, tests and examples and arms the lint in jc-proof.yml, the same two-step used for sigker in TD-SIGKER-CLIPPY-RED-ON-BASE-1.

Changes (no behaviour change; 141 + 17 tests unchanged)

• hex seeds regrouped into equal-width digit groups (values identical)
• doc-comment list indentation (lib.rs, ewa_sandwich, koestenberger, examples); overindented formula continuations fenced as inline code
• test-only items marked: #[cfg(test)] BinaryTree::stage; PathResult::final_sigma and PlantedGraph descriptor fields allow(dead_code) with reason
• pearl::classify_three_planes allow(too_many_arguments) (probe harness)
• weyl::QUINTENZIRKEL literal trimmed to f64 precision
• type aliases: Pillar (lib.rs), LocusFn (l9 example)
• probe/example nits: Range::contains, array instead of vec!, clamp, is_multiple_of, merged identical if-arms in the LPA label pick (comments preserved)

CI

jc-proof.yml gains a Lint JC step running the command above.

Board

• PR_ARC_INVENTORY + LATEST_STATE: the merged-PR row for planner: seal NestedBands (D-NXG-1/5) and ship the D-BLW-5 shape_rank payload (D-NXG-4) #1181 (NestedBands + D-BLW-5 payload), per the board-hygiene rule
• TECH_DEBT: TD-JC-CLIPPY-RED-ON-BASE-1 status → RESOLVED

Gates run locally: append-only OK, citation-decay OK, supersession index regenerated (unchanged).

🤖 Generated with Claude Code

https://claude.ai/code/session_016WkNBjHc2e3zuyz9i8qJEv

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📥 Commits

Reviewing files that changed from the base of the PR and between 80dbcc3 and 13fdd58.

📒 Files selected for processing (20)

• .claude/board/LATEST_STATE.md
• .claude/board/PR_ARC_INVENTORY.md
• .claude/board/TECH_DEBT.md
• .github/workflows/jc-proof.yml
• crates/jc/examples/l9_loci_real_text.rs
• crates/jc/examples/partof_isa_vs_palette256.rs
• crates/jc/examples/splat_jaccard_adamic_adar.rs
• crates/jc/examples/splat_louvain_modularity.rs
• crates/jc/examples/splat_lpa_label_propagation.rs
• crates/jc/examples/splat_perturbationslernen.rs
• crates/jc/src/dueker_zoubouloglou.rs
• crates/jc/src/ewa_sandwich.rs
• crates/jc/src/ewa_sandwich_3d.rs
• crates/jc/src/koestenberger.rs
• crates/jc/src/lib.rs
• crates/jc/src/pearl.rs
• crates/jc/src/pflug.rs
• crates/jc/src/probe_p1_gamma_phase.rs
• crates/jc/src/sigma_codebook_probe.rs
• crates/jc/src/weyl.rs

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