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Replace mega-channel size rule with explicit skip list

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The >500-video threshold was too aggressive — it skipped tiebreaking
for legitimate large channels (1a-auto, forgotten-weapons, etc.) where
channel context correctly resolves ties. Replace with an explicit
MEGA_CHANNEL_SKIP_LIST in recon_domains.py. Only known non-topical
catch-alls (currently just "Transcript") skip the tiebreaker.

Removed _channel_video_count() helper and MEGA_CHANNEL_THRESHOLD
constant (no longer used).

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
Matt 2026-04-28 04:24:39 +00:00
commit 299be21f42
3 changed files with 26 additions and 26 deletions
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12
lib/recon_domains.py
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@ -32,3 +32,15 @@ DOMAIN_CATEGORY_MAP = {
VALID_DOMAINS = set(DOMAIN_CATEGORY_MAP.keys())
CATEGORY_DOMAIN_MAP = {v: k for k, v in DOMAIN_CATEGORY_MAP.items()}
# Channels whose tiebreaker is skipped because their content is non-topical
# (catch-alls, miscellany dumps, etc.). Items in these channels with tied
# domain counts go straight to tied_manual without channel-context tiebreaker.
#
# This is intentionally a hardcoded explicit list, not a size threshold.
# Adding a channel here requires an explicit decision — only add channels
# that are genuinely non-topical catch-alls where channel-wide concept
# aggregation would produce meaningless noise.
MEGA_CHANNEL_SKIP_LIST = {
'Transcript', # Legacy catch-all, ~9,200 videos, no topical coherence
}