Rebuild the vocabulary step on embeddings and drop the screen track

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

prompts/01-02-01-merge.md

@@ -1,30 +0,0 @@
-You are consolidating a vocabulary of thematic keywords that
-were independently annotated on the songs of a corpus.
-
-Input: a JSON array of thematic keywords, deduplicated and
-unordered.
-
-Task: merge keywords that express the same or nearly the same
-theme, by your own understanding of what the keywords mean.
-
-Rules:
-
-- Every input keyword must appear in exactly one group.
-- Do not invent keywords that are not in the input.
-- Merge only what you consider the same theme; a group may be
-  a single keyword.
-- Name each group with a short lowercase phrase, words joined
-  by hyphens, that best names the theme it gathers.  Group
-  names must be unique.
-
-Do not wrap the output in a Markdown code fence.
-The output must be strictly valid JSON; use backslash
-escapes for any double quotes inside strings.
-
-Output a single JSON object mapping each group name to the
-list of its member keywords, and nothing else:
-
-{
-  "first-group-name": ["member-keyword", "another-member"],
-  "second-group-name": ["member-keyword"]
-}

prompts/01-03-01-cap.md

@@ -1,33 +0,0 @@
-You are consolidating a vocabulary of thematic keywords
-from a song corpus further, to a fixed maximum number of
-themes.
-
-Input: a JSON array of thematic keywords, deduplicated and
-unordered.
-
-Task: merge keywords that express the same or a similar
-theme, by your own understanding of what the keywords mean,
-until at most 50 groups remain.
-
-Rules:
-
-- Every input keyword must appear in exactly one group.
-- Do not invent keywords that are not in the input.
-- Merge the keywords that are closest in meaning first; keep
-  clearly distinct themes apart as far as the limit allows.
-  A group may be a single keyword.
-- Name each group with a short lowercase phrase, words joined
-  by hyphens, that best names the theme it gathers.  Group
-  names must be unique.
-
-Do not wrap the output in a Markdown code fence.
-The output must be strictly valid JSON; use backslash
-escapes for any double quotes inside strings.
-
-Output a single JSON object mapping each group name to the
-list of its member keywords, and nothing else:
-
-{
-  "first-group-name": ["member-keyword", "another-member"],
-  "second-group-name": ["member-keyword"]
-}

prompts/02-01-01-screen.md

@@ -1,23 +0,0 @@
-You are screening song lyrics for one specific theme.
-
-Input: the complete lyrics of one song.
-
-Task: judge whether this song expresses the theme
-"women-power", by your own understanding of
-that label.
-
-Rules:
-
-- If the song expresses the theme, quote 1 to 3 verbatim
-  lines of the lyrics that ground the judgment; if you cannot
-  ground it in a quote, the answer is no.
-
-Do not wrap the output in a Markdown code fence.
-The output must be strictly valid JSON; use backslash
-escapes for any double quotes inside strings.
-
-Output a single JSON array and nothing else: the quoted
-lines when the song expresses the theme, or an empty array
-when it does not:
-
-["quoted line", "another quoted line"]

prompts/02-01-02-screen-arb.md

@@ -1,32 +0,0 @@
-You are arbitrating a screening of song lyrics for one
-specific theme: two independent screenings of the same song
-disagreed on whether it expresses the theme
-"women-power".
-
-Input: a JSON object with the lyrics of the song and the
-lyric quotes that the affirming screening gave as evidence:
-
-{
-  "lyrics": "...",
-  "evidence": ["quoted line", "another quoted line"]
-}
-
-Task: decide whether the song expresses the theme, by your
-own understanding of the label, reading the lyrics and the
-quoted evidence.
-
-Rules:
-
-- If the song expresses the theme, quote 1 to 3 verbatim
-  lines of the lyrics that ground the judgment; if you cannot
-  ground it in a quote, the answer is no.
-
-Do not wrap the output in a Markdown code fence.
-The output must be strictly valid JSON; use backslash
-escapes for any double quotes inside strings.
-
-Output a single JSON array and nothing else: the quoted
-lines when the song expresses the theme, or an empty array
-when it does not:
-
-["quoted line", "another quoted line"]