anti b182e2fe3b feat(text): add meta.* corpus-footprint layer and 4 language-aware primitives (v0.1.3) ...

Adds 12 new primitives across two waves of spec work this session.

meta.* layer (8 primitives) — corpus-snapshot footprint:
  total_messages, corpus_span_days, msg_per_day, active_days,
  activity_density, first_seen_ts, last_seen_ts, fingerprint_confidence.
  Motivated by two actors with identical message counts (53 each) producing
  indistinguishable profiles despite radically different presence shapes
  (0.3-day burst vs 47-day long tail).

Language-aware characterization primitives (4 primitives):
  stylometric.pos_ngram_signature — SimHash over POS bigram frequency vector;
    syntactic skeleton fingerprint that survives full vocabulary paraphrase.
  lexical.dialect_region — BCP-47 free_string (es-CL, es-AR, es-MX, …);
    designed for EYENET integration with INGEOTEC regional-spanish-models.
  lexical.evaluative_morphology_density — diminutive/augmentative/pejorative
    suffix density; stable per-author trait baked into language acquisition.
  lexical.optional_grammar_signature — SimHash over optional-grammar choice
    points (compound/simple past, subjunctive, leísmo, relative pronoun);
    high-reliability Spain vs LatAm discriminator.

Also fixes stale scratchpad.md references throughout (README.md is now the
authority), bumps behave-text to 0.1.3, and updates CHANGELOG.

2026-05-23 01:54:12 -04:00

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