feat(cfg): bound canonical analysis work - #741
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What changed? Why?
Stacked on #740. Adds a deterministic contextual-analysis work budget: 250,000 block-state executions by default, configurable with
heimdall cfg --max-iterations. Completed iterations and queued points omitted at exhaustion are surfaced inContextualCfgandCfgDiagnostics; partial results are warned about rather than silently presented as complete.Notes to reviewers
Key files are
crates/vm/src/core/context.rs,crates/cfg/src/core/mod.rs, andcrates/cfg/src/interfaces/args.rs. Exhaustion returns conservative discovered structure plus explicit uncertainty. The production smoke matrix stayed below the default; Seaport was highest at 102,757 iterations.How has it been tested?
Targeted VM contextual-analysis tests, CFG zero-budget tests, workspace check, formatting, and release-mode production bytecode runs for six mainnet contracts.