chore: docker compose (tor+ollama) and docs

db/schema.sql

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+-- Kompanion knowledge store (sqlite)
+PRAGMA journal_mode=WAL;
+PRAGMA synchronous=NORMAL;
+
+CREATE TABLE IF NOT EXISTS entries (
+  id INTEGER PRIMARY KEY,
+  ts TEXT NOT NULL,
+  aspect TEXT,
+  tags TEXT,
+  text TEXT NOT NULL
+);
+
+CREATE VIRTUAL TABLE IF NOT EXISTS entries_fts USING fts5(text, content="entries", content_rowid="id");
+CREATE TRIGGER IF NOT EXISTS entries_ai AFTER INSERT ON entries BEGIN
+  INSERT INTO entries_fts(rowid, text) VALUES (new.id, new.text);
+END;
+CREATE TRIGGER IF NOT EXISTS entries_ad AFTER DELETE ON entries BEGIN
+  INSERT INTO entries_fts(entries_fts, rowid, text) VALUES(delete, old.id, old.text);
+END;
+CREATE TRIGGER IF NOT EXISTS entries_au AFTER UPDATE ON entries BEGIN
+  INSERT INTO entries_fts(entries_fts, rowid, text) VALUES(delete, old.id, old.text);
+  INSERT INTO entries_fts(rowid, text) VALUES (new.id, new.text);
+END;
+
+CREATE TABLE IF NOT EXISTS sources (
+  id INTEGER PRIMARY KEY,
+  file TEXT NOT NULL,
+  sha TEXT,
+  lineno INTEGER
+);
+
+CREATE TABLE IF NOT EXISTS vectors (
+  id INTEGER PRIMARY KEY,
+  entry_id INTEGER REFERENCES entries(id) ON DELETE CASCADE,
+  model TEXT NOT NULL,
+  dim INTEGER NOT NULL,
+  vec BLOB NOT NULL
+);
+
+CREATE TABLE IF NOT EXISTS ledger_head (
+  id INTEGER PRIMARY KEY CHECK (id=1),
+  head_sha TEXT
+);

docker/Dockerfile.server

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+FROM debian:trixie
+RUN apt-get update && apt-get install -y --no-install-recommends \n    build-essential cmake qt6-base-dev ca-certificates &&     rm -rf /var/lib/apt/lists/*
+WORKDIR /app
+COPY .. /app
+RUN cmake -S . -B build -DCMAKE_BUILD_TYPE=Release && cmake --build build -j384
+EXPOSE 18080
+CMD ["/app/build/kompanion_server"]