From 6701c78a2182699cb4d8adeae90251b429e24cd4 Mon Sep 17 00:00:00 2001
From: hrbrmstr <bob@rud.is>
Date: Sat, 20 Sep 2025 08:04:45 -0400
Subject: add: zed ai history script

---
 2025/2025-09-20-zed-ai-history.sh | 96 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 96 insertions(+)
 create mode 100644 2025/2025-09-20-zed-ai-history.sh

diff --git a/2025/2025-09-20-zed-ai-history.sh b/2025/2025-09-20-zed-ai-history.sh
new file mode 100644
index 0000000..a214946
--- /dev/null
+++ b/2025/2025-09-20-zed-ai-history.sh
@@ -0,0 +1,96 @@
+#!/usr/bin/env bash
+
+THREADS_DB="${HOME}/Library/Application Support/Zed/threads/threads.db"
+
+if ! command -v sqlite3 &> /dev/null; then
+    echo "Error: sqlite3 is not installed. Please install SQLite to continue."
+    exit 1
+fi
+
+if ! command -v duckdb &> /dev/null; then
+    echo "Error: duckdb is not installed. Please install DuckDB to continue."
+    exit 1
+fi
+
+if ! command -v zstd &> /dev/null; then
+    echo "Error: zstd is not installed. Please install zstd to continue."
+    exit 1
+fi
+
+if [ ! -f "${THREADS_DB}" ]; then
+    echo "Error: Threads database not found at ${THREADS_DB}"
+    echo "Make sure Zed is installed and has created the threads database."
+    exit 1
+fi
+
+rm -rf "$(pwd)/threads/"
+mkdir -p "$(pwd)/threads/"{0.1.0,0.2.0,0.3.0}
+
+cp "${THREADS_DB}" .
+
+sqlite3 threads.db "SELECT id FROM threads;" | \
+  while read id; do
+
+    sqlite3 threads.db "SELECT writefile('temp_${id}.zst', data) FROM threads WHERE id = '$id';" > /dev/null
+
+    zstd --rm -q -d "temp_${id}.zst" -o "$(pwd)/threads/${id}.json" > /dev/null
+
+    [[ $(jq 'has("version") and .version == "0.1.0"' "$(pwd)/threads/${id}.json") == "true" ]] && mv "$(pwd)/threads/${id}.json" "$(pwd)/threads/0.1.0/${id}.json" && continue
+
+    [[ $(jq 'has("version") and .version == "0.2.0"' "$(pwd)/threads/${id}.json") == "true" ]] && mv "$(pwd)/threads/${id}.json" "$(pwd)/threads/0.2.0/${id}.json" && continue
+
+    [[ $(jq 'has("version") and .version == "0.3.0"' "$(pwd)/threads/${id}.json") == "true" ]] && mv "$(pwd)/threads/${id}.json" "$(pwd)/threads/0.3.0/${id}.json"
+
+  done
+
+duckdb -csv <<EOQ
+ATTACH 'threads.db' AS zed;
+WITH v01 AS (
+  FROM read_json('threads/0.1.0/*.json') AS t
+  SELECT
+    updated_at::DATE AS ts,
+    parse_filename(t.filename, true) AS id,
+    UNNEST(t.request_token_usage) AS u
+),
+v02 AS (
+  FROM read_json('threads/0.2.0/*.json') AS t
+  SELECT
+    updated_at::DATE AS ts,
+    parse_filename(t.filename, true) AS id,
+    UNNEST(t.request_token_usage) AS u
+),
+v03 AS (
+  FROM read_json('threads/0.3.0/*.json') AS t
+  SELECT
+    updated_at::DATE AS ts,
+    parse_filename(t.filename, true) AS id,
+    UNNEST(map_entries(t.request_token_usage)) AS entry
+),
+tokens AS (
+  SELECT
+    id,
+    ts,
+    SUM(input_tokens)    AS total_input_tokens,
+    SUM(output_tokens)   AS total_output_tokens
+  FROM (
+    SELECT id, ts, u.input_tokens AS input_tokens, u.output_tokens AS output_tokens FROM v01
+    UNION ALL
+    SELECT id, ts, u.input_tokens, u.output_tokens FROM v02
+    UNION ALL
+    SELECT id, ts, entry.value.input_tokens, entry.value.output_tokens FROM v03
+  ) AS all_flat
+  GROUP BY id, ts
+)
+FROM
+  tokens tok,
+  zed.threads thr
+SELECT
+  tok.id,
+  tok.ts,
+  tok.total_input_tokens,
+  tok.total_output_tokens,
+  thr.summary
+WHERE
+  tok.id = thr.id
+ORDER BY tok.ts
+EOQ
-- 
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