* fix(javascript): preserve uncertainty after references escape to calls
* fix(javascript): track iterator root escapes and preserve static captures
* fix(javascript): scope comparison unknowns to their evidence
* fix(javascript): track parameter origins at function body entry
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Co-authored-by: morluto <76467478+morluto@users.noreply.github.com>
Keep unknown element coverage on arrays whose length may have changed, preserving intrinsic length presence and subsequent slot mutations through semantic graph and export-return consumers.
Use one explicit object/array slot model and JSON-pointer property identity across mutation analysis, return projection, and semantic graphs. Require observed presence for discriminants and resolve writes only through retained object or array receivers.
BREAKING CHANGE: projected return fields require explicit presence and semantic object operations carry full property paths.
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