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4grayandClaude Fable 5
13b27a51ba
Search normalization splits "A&E" into the 1-letter tokens "a" + "e", and
short first tokens are prefix-anchored for performance (GLOB 'a*' plus a
startsWith gate in the ranking), so provider-prefixed channels such as
"US: A&E" could never match.
Words that keep internal punctuation after edge-trimming ("a&e", "x-men",
"l'equipe") are now preserved as compound words and matched as an intact
substring in addition to the existing token logic:
- global Xtream search supplements the unchanged prefix/GLOB arm with a
trigram FTS substring lookup (MATCH '"a&e"'), deduped by content id,
falling back to the content scan if FTS is unavailable
- the ranking gate lets multi-token phrases match as a space-bounded whole-
word sequence anywhere in the title ("US: A&E", score 40) without crossing
word boundaries ("Casa e Villa" stays excluded)
- per-playlist search and the M3U payload prefilter OR-in intact-word
contains patterns
SQL conditions compose per word so a compound word's substring arm stays
AND-constrained by the other words of the query ("A&E HD" cannot flood the
bounded candidate window with plain "A&E" titles); the FTS supplement AND-s
the non-compound tokens as LIKE conditions.
Pure search-text helpers moved into content-search.util.ts.
Fixes #1161
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>