diff --git a/scripts/bulk-categorize.py b/scripts/bulk-categorize.py
index 8c99b8a..996be27 100644
--- a/scripts/bulk-categorize.py
+++ b/scripts/bulk-categorize.py
@@ -68,20 +68,22 @@ def get_unique_files(keys: list[str]) -> list[str]:
 
 def build_prompt(files: list[str]) -> str:
     """Build categorization prompt."""
-    # Read first few lines of each file for context
+    # Read file previews from the store
     file_previews = []
     for f in files:
-        path = MEMORY_DIR / f
-        if not path.exists():
-            # Try episodic
-            path = MEMORY_DIR / "episodic" / f
-        if path.exists():
-            content = path.read_text()
-            # First 5 lines or 300 chars
-            preview = '\n'.join(content.split('\n')[:5])[:300]
-            file_previews.append(f"  {f}: {preview.replace(chr(10), ' | ')}")
-        else:
-            file_previews.append(f"  {f}: (file not found)")
+        try:
+            r = subprocess.run(
+                ["poc-memory", "render", f],
+                capture_output=True, text=True, timeout=10
+            )
+            content = r.stdout.strip()
+            if content:
+                preview = '\n'.join(content.split('\n')[:5])[:300]
+                file_previews.append(f"  {f}: {preview.replace(chr(10), ' | ')}")
+            else:
+                file_previews.append(f"  {f}: (no content)")
+        except Exception:
+            file_previews.append(f"  {f}: (render failed)")
 
     previews_text = '\n'.join(file_previews)
 
diff --git a/scripts/consolidation-agents.py b/scripts/consolidation-agents.py
index ae3f58d..1fbbf49 100755
--- a/scripts/consolidation-agents.py
+++ b/scripts/consolidation-agents.py
@@ -64,88 +64,36 @@ def call_sonnet(prompt: str, timeout: int = 600) -> str:
 # ---------------------------------------------------------------------------
 
 def get_recent_journal(n_lines: int = 200) -> str:
-    """Get last N lines of journal."""
-    journal = MEMORY_DIR / "journal.md"
-    if not journal.exists():
-        return ""
-    with open(journal) as f:
-        lines = f.readlines()
-    return "".join(lines[-n_lines:])
+    """Get recent journal entries from the store."""
+    from store_helpers import get_recent_journal as _get_journal
+    # n_lines ≈ 50 entries (rough heuristic: ~4 lines per entry)
+    return _get_journal(n=max(20, n_lines // 4))
 
 
 def get_topic_file_index() -> dict[str, list[str]]:
-    """Build index of topic files and their section headers."""
-    index = {}
-    for md in sorted(MEMORY_DIR.glob("*.md")):
-        name = md.name
-        if name in ("journal.md", "MEMORY.md", "where-am-i.md",
-                     "work-queue.md", "search-testing.md"):
-            continue
-        sections = []
-        try:
-            with open(md) as f:
-                for line in f:
-                    if line.startswith("## "):
-                        sections.append(line.strip())
-        except Exception:
-            pass
-        index[name] = sections
-    return index
+    """Build index of topic files and their section headers from the store."""
+    from store_helpers import get_topic_file_index as _get_index
+    return _get_index()
 
 
 def get_mem_markers() -> list[dict]:
-    """Extract all <!-- mem: --> markers from memory files."""
+    """Get relations from the store (replaces mem marker parsing)."""
+    from store_helpers import get_relations
+    raw = get_relations()
+    # Parse list-edges output into marker-like dicts
     markers = []
-    for md in sorted(MEMORY_DIR.glob("*.md")):
-        if md.name in ("journal.md", "MEMORY.md"):
+    for line in raw.split('\n'):
+        line = line.strip()
+        if not line:
             continue
-        try:
-            content = md.read_text()
-            for match in re.finditer(
-                r'<!-- mem: (.*?) -->', content):
-                attrs = {}
-                for part in match.group(1).split():
-                    if '=' in part:
-                        k, v = part.split('=', 1)
-                        attrs[k] = v
-                attrs['_file'] = md.name
-                markers.append(attrs)
-        except Exception:
-            pass
+        markers.append({"_raw": line})
     return markers
 
 
 def get_topic_summaries(max_chars_per_file: int = 500) -> str:
-    """Get first N chars of each topic file for cross-link scanning."""
-    parts = []
-    for md in sorted(MEMORY_DIR.glob("*.md")):
-        name = md.name
-        if name in ("journal.md", "MEMORY.md", "where-am-i.md",
-                     "work-queue.md", "search-testing.md"):
-            continue
-        try:
-            content = md.read_text()
-            # Get sections and first paragraph of each
-            sections = []
-            current_section = name
-            current_content = []
-            for line in content.split('\n'):
-                if line.startswith("## "):
-                    if current_content:
-                        text = '\n'.join(current_content[:5])
-                        sections.append(f"  {current_section}: {text[:200]}")
-                    current_section = line.strip()
-                    current_content = []
-                elif line.strip():
-                    current_content.append(line.strip())
-            if current_content:
-                text = '\n'.join(current_content[:5])
-                sections.append(f"  {current_section}: {text[:200]}")
-
-            parts.append(f"\n### {name}\n" + '\n'.join(sections[:15]))
-        except Exception:
-            pass
-    return '\n'.join(parts)
+    """Get topic file summaries from the store."""
+    from store_helpers import get_topic_summaries as _get_summaries
+    return _get_summaries(max_chars_per_file)
 
 
 def get_graph_stats() -> str:
@@ -274,16 +222,13 @@ def build_crosslink_prompt() -> str:
 
     marker_text = ""
     for m in markers:
-        f = m.get('_file', '?')
-        mid = m.get('id', '?')
-        links = m.get('links', '')
-        marker_text += f"  {f}#{mid} → links={links}\n"
+        marker_text += f"  {m.get('_raw', '?')}\n"
 
     return f"""You are the Cross-Link Scanner for ProofOfConcept's memory system.
 
 Your job: find MISSING connections between topic files.
 
-## Existing links (from <!-- mem: --> markers)
+## Existing relations (from the memory graph)
 
 {marker_text}
 
@@ -328,15 +273,13 @@ def build_topology_prompt() -> str:
     stats = get_graph_stats()
     topic_index = get_topic_file_index()
 
+    # Get node counts per file from the store
+    from store_helpers import get_topic_file_index as _get_index
+    topic_index = _get_index()
     file_sizes = ""
-    for md in sorted(MEMORY_DIR.glob("*.md")):
-        if md.name in ("journal.md", "MEMORY.md"):
-            continue
-        try:
-            lines = len(md.read_text().split('\n'))
-            file_sizes += f"  {md.name}: {lines} lines\n"
-        except Exception:
-            pass
+    for fname in sorted(topic_index.keys()):
+        n_sections = len(topic_index[fname])
+        file_sizes += f"  {fname}: {n_sections} sections\n"
 
     return f"""You are the Topology Reporter for ProofOfConcept's memory system.
 
diff --git a/scripts/consolidation-loop.py b/scripts/consolidation-loop.py
index 6c79fe4..736e7e0 100644
--- a/scripts/consolidation-loop.py
+++ b/scripts/consolidation-loop.py
@@ -81,17 +81,9 @@ def get_health() -> dict:
 
 
 def get_topic_file_index() -> dict[str, list[str]]:
-    """Build index of topic files and their section headers."""
-    index = {}
-    for md in sorted(MEMORY_DIR.glob("*.md")):
-        name = md.name
-        headers = []
-        for line in md.read_text().split('\n'):
-            if line.startswith('## '):
-                slug = re.sub(r'[^a-z0-9-]', '', line[3:].lower().replace(' ', '-'))
-                headers.append(slug)
-        index[name] = headers
-    return index
+    """Build index of topic files and their section headers from the store."""
+    from store_helpers import get_topic_file_index as _get_index
+    return _get_index()
 
 
 def get_graph_structure() -> str:
@@ -123,12 +115,14 @@ def build_crosslink_prompt(round_num: int) -> str:
     graph = get_graph_structure()
     status = get_status()
 
-    # Read a sample of files for context
+    # Read a sample of files from the store
+    from store_helpers import render as _render
     file_previews = ""
-    for f in sorted(MEMORY_DIR.glob("*.md"))[:30]:
-        content = f.read_text()
-        preview = '\n'.join(content.split('\n')[:8])[:400]
-        file_previews += f"\n--- {f.name} ---\n{preview}\n"
+    for fname in sorted(index.keys())[:30]:
+        content = _render(fname)
+        if content:
+            preview = '\n'.join(content.split('\n')[:8])[:400]
+            file_previews += f"\n--- {fname} ---\n{preview}\n"
 
     return f"""You are a cross-link discovery agent (round {round_num}).
 
@@ -210,13 +204,13 @@ Output ONLY the JSON array."""
 
 def build_newfile_prompt(round_num: int) -> str:
     """Build prompt for connecting the new split files."""
-    # Read the new reflection files
+    # Read the new reflection files from the store
+    from store_helpers import render as _render
     new_files = {}
     for name in ['reflections-reading.md', 'reflections-dreams.md', 'reflections-zoom.md',
                  'verus-proofs.md']:
-        path = MEMORY_DIR / name
-        if path.exists():
-            content = path.read_text()
+        content = _render(name)
+        if content:
             new_files[name] = content[:2000]
 
     # Read existing files they should connect to
@@ -224,9 +218,8 @@ def build_newfile_prompt(round_num: int) -> str:
     for name in ['differentiation.md', 'cognitive-modes.md', 'language-theory.md',
                  'discoveries.md', 'inner-life.md', 'design-context-window.md',
                  'design-consolidate.md', 'experiments-on-self.md']:
-        path = MEMORY_DIR / name
-        if path.exists():
-            content = path.read_text()
+        content = _render(name)
+        if content:
             target_files[name] = content[:1500]
 
     graph = get_graph_structure()
diff --git a/scripts/content-promotion-agent.py b/scripts/content-promotion-agent.py
index 06c341c..9115462 100755
--- a/scripts/content-promotion-agent.py
+++ b/scripts/content-promotion-agent.py
@@ -55,10 +55,28 @@ def call_sonnet(prompt: str, timeout: int = 600) -> str:
 
 
 def read_file(path: Path) -> str:
-    """Read a file, return empty string if missing."""
+    """Read a file, return empty string if missing.
+
+    Falls back to the store if the file doesn't exist on disk
+    (content markdown files have been archived).
+    """
     if path.exists():
         return path.read_text()
-    return ""
+    # Try the store — the filename is the key
+    from store_helpers import render, list_keys
+    key = path.name
+    # Gather file-level + section content
+    all_keys = list_keys()
+    prefix = f"{key}#"
+    matching = [k for k in all_keys if k == key or k.startswith(prefix)]
+    if not matching:
+        return ""
+    parts = []
+    for k in matching:
+        content = render(k)
+        if content:
+            parts.append(content)
+    return "\n\n".join(parts)
 
 
 def read_digest(name: str) -> str:
@@ -68,25 +86,9 @@ def read_digest(name: str) -> str:
 
 
 def read_journal_range(start_date: str, end_date: str) -> str:
-    """Extract journal entries between two dates."""
-    journal = MEMORY_DIR / "journal.md"
-    if not journal.exists():
-        return ""
-    content = journal.read_text()
-    # Extract entries between dates
-    lines = content.split('\n')
-    result = []
-    capturing = False
-    for line in lines:
-        if line.startswith('## '):
-            # Check if this is a date header
-            if start_date <= line[3:13] <= end_date:
-                capturing = True
-            elif capturing and line[3:13] > end_date:
-                capturing = False
-        if capturing:
-            result.append(line)
-    return '\n'.join(result[-500:])  # Last 500 lines in range
+    """Get journal entries between two dates from the store."""
+    from store_helpers import get_journal_range
+    return get_journal_range(start_date, end_date)
 
 
 # ---------------------------------------------------------------------------
@@ -382,47 +384,45 @@ def run_task(task: dict, do_apply: bool) -> dict:
         result["status"] = "dry_run"
         return result
 
-    # Apply the content
-    target_path = MEMORY_DIR / task["target"]
+    # Apply the content — write directly to the store
+    target = task["target"]
 
     if task["action"] == "create":
-        if target_path.exists():
-            print(f"  ! Target already exists: {target_path}")
-            result["status"] = "skipped"
-            return result
-        target_path.write_text(content + "\n")
-        print(f"  + Created: {target_path} ({result['content_lines']} lines)")
+        # Write each section as a separate node
+        proc = subprocess.run(
+            ["poc-memory", "write", target],
+            input=content, capture_output=True, text=True, timeout=30
+        )
+        print(f"  + Created in store: {target} ({result['content_lines']} lines)")
+        if proc.stdout.strip():
+            print(f"    {proc.stdout.strip()}")
         result["status"] = "applied"
 
     elif task["action"] == "append_section":
-        if not target_path.exists():
-            print(f"  ! Target doesn't exist: {target_path}")
-            result["status"] = "error"
-            return result
-        existing = target_path.read_text()
-        # Append with separator
-        with open(target_path, "a") as f:
-            f.write("\n\n" + content + "\n")
-        print(f"  + Appended to: {target_path} ({result['content_lines']} lines)")
+        # Extract section key from content (## header → slug)
+        header_match = re.match(r'^## (.+)', content)
+        if header_match:
+            slug = re.sub(r'[^a-z0-9-]', '',
+                          header_match.group(1).strip().lower().replace(' ', '-'))
+            key = f"{target}#{slug}"
+        else:
+            key = target
+        proc = subprocess.run(
+            ["poc-memory", "write", key],
+            input=content, capture_output=True, text=True, timeout=30
+        )
+        print(f"  + Appended to store: {key} ({result['content_lines']} lines)")
+        if proc.stdout.strip():
+            print(f"    {proc.stdout.strip()}")
         result["status"] = "applied"
 
     elif task["action"] == "update":
-        # For updates, we save the proposed changes and let the user review
-        output_path = AGENT_RESULTS_DIR / f"promotion-{task['target']}-{datetime.now().strftime('%Y%m%dT%H%M%S')}.md"
-        output_path.write_text(f"# Proposed update for {task['target']}\n\n{content}\n")
+        # For updates, save proposed changes for review
+        output_path = AGENT_RESULTS_DIR / f"promotion-{target}-{datetime.now().strftime('%Y%m%dT%H%M%S')}.md"
+        output_path.write_text(f"# Proposed update for {target}\n\n{content}\n")
         print(f"  ~ Saved proposed update: {output_path}")
         result["status"] = "proposed"
 
-    # Register new content with poc-memory
-    if result["status"] == "applied":
-        try:
-            subprocess.run(
-                ["poc-memory", "init"],
-                capture_output=True, text=True, timeout=30
-            )
-        except Exception:
-            pass  # Non-critical
-
     return result
 
 
diff --git a/scripts/daily-digest.py b/scripts/daily-digest.py
index 371d44f..f6efe9c 100755
--- a/scripts/daily-digest.py
+++ b/scripts/daily-digest.py
@@ -23,7 +23,6 @@ from datetime import date, datetime
 from pathlib import Path
 
 MEMORY_DIR = Path.home() / ".claude" / "memory"
-JOURNAL = MEMORY_DIR / "journal.md"
 EPISODIC_DIR = MEMORY_DIR / "episodic"
 AGENT_RESULTS_DIR = MEMORY_DIR / "agent-results"
 
@@ -31,41 +30,9 @@ EPISODIC_DIR.mkdir(parents=True, exist_ok=True)
 
 
 def parse_journal_entries(target_date: str) -> list[dict]:
-    """Extract all journal entries for a given date (YYYY-MM-DD)."""
-    entries = []
-    current = None
-
-    with open(JOURNAL) as f:
-        for line in f:
-            # Match entry header: ## 2026-02-28T19:42
-            m = re.match(r'^## (\d{4}-\d{2}-\d{2})T(\d{2}:\d{2})', line)
-            if m:
-                if current is not None:
-                    entries.append(current)
-                entry_date = m.group(1)
-                entry_time = m.group(2)
-                current = {
-                    "date": entry_date,
-                    "time": entry_time,
-                    "timestamp": f"{entry_date}T{entry_time}",
-                    "source_ref": None,
-                    "text": "",
-                }
-                continue
-
-            if current is not None:
-                # Check for source comment
-                sm = re.match(r'<!-- source: (.+?) -->', line)
-                if sm:
-                    current["source_ref"] = sm.group(1)
-                    continue
-                current["text"] += line
-
-    if current is not None:
-        entries.append(current)
-
-    # Filter to target date
-    return [e for e in entries if e["date"] == target_date]
+    """Get journal entries for a given date from the store."""
+    from store_helpers import get_journal_entries_by_date
+    return get_journal_entries_by_date(target_date)
 
 
 def load_agent_results(target_date: str) -> list[dict]:
@@ -90,24 +57,9 @@ def load_agent_results(target_date: str) -> list[dict]:
 
 
 def get_semantic_keys() -> list[str]:
-    """Get all semantic memory file keys."""
-    keys = []
-    for md in sorted(MEMORY_DIR.glob("*.md")):
-        name = md.name
-        if name in ("journal.md", "work-queue.md", "MEMORY.md"):
-            continue
-        keys.append(name)
-        try:
-            with open(md) as f:
-                for line in f:
-                    if line.startswith("## "):
-                        slug = re.sub(r'[^a-z0-9-]', '',
-                                      line[3:].strip().lower().replace(' ', '-'))
-                        if slug:
-                            keys.append(f"{name}#{slug}")
-        except Exception:
-            pass
-    return keys
+    """Get semantic memory keys from the store."""
+    from store_helpers import get_semantic_keys as _get_keys
+    return _get_keys()
 
 
 def build_digest_prompt(target_date: str, entries: list[dict],
diff --git a/scripts/journal-agent.py b/scripts/journal-agent.py
index 0db1206..ba18593 100755
--- a/scripts/journal-agent.py
+++ b/scripts/journal-agent.py
@@ -108,26 +108,9 @@ def get_memory_nodes() -> str:
 
 
 def get_semantic_keys() -> list[str]:
-    """Get all semantic memory file keys by scanning the memory dir."""
-    keys = []
-    for md in sorted(MEMORY_DIR.glob("*.md")):
-        name = md.name
-        if name in ("journal.md", "work-queue.md", "work-state",
-                     "where-am-i.md", "MEMORY.md"):
-            continue
-        keys.append(name)
-        # Scan for section headers
-        try:
-            with open(md) as f:
-                for line in f:
-                    if line.startswith("## "):
-                        slug = re.sub(r'[^a-z0-9-]', '',
-                                      line[3:].strip().lower().replace(' ', '-'))
-                        if slug:
-                            keys.append(f"{name}#{slug}")
-        except Exception:
-            pass
-    return keys
+    """Get all semantic memory keys from the store."""
+    from store_helpers import get_semantic_keys as _get_keys
+    return _get_keys()
 
 
 def build_prompt(entry_text: str, conversation: str,
diff --git a/scripts/monthly-digest.py b/scripts/monthly-digest.py
index c7974f8..d22fb96 100755
--- a/scripts/monthly-digest.py
+++ b/scripts/monthly-digest.py
@@ -56,24 +56,9 @@ def load_weekly_digests(week_labels: list[str]) -> list[dict]:
 
 
 def get_semantic_keys() -> list[str]:
-    """Get semantic memory file keys."""
-    keys = []
-    for md in sorted(MEMORY_DIR.glob("*.md")):
-        name = md.name
-        if name in ("journal.md", "work-queue.md", "MEMORY.md"):
-            continue
-        keys.append(name)
-        try:
-            with open(md) as f:
-                for line in f:
-                    if line.startswith("## "):
-                        slug = re.sub(r'[^a-z0-9-]', '',
-                                      line[3:].strip().lower().replace(' ', '-'))
-                        if slug:
-                            keys.append(f"{name}#{slug}")
-        except Exception:
-            pass
-    return keys
+    """Get semantic memory keys from the store."""
+    from store_helpers import get_semantic_keys as _get_keys
+    return _get_keys()
 
 
 def build_monthly_prompt(month_label: str, digests: list[dict],
diff --git a/scripts/retroactive-digest.py b/scripts/retroactive-digest.py
index 49fb12c..0470463 100644
--- a/scripts/retroactive-digest.py
+++ b/scripts/retroactive-digest.py
@@ -155,24 +155,9 @@ def format_conversation(messages: list[dict]) -> str:
 
 
 def get_semantic_keys() -> list[str]:
-    """Get semantic memory file keys."""
-    keys = []
-    for md in sorted(MEMORY_DIR.glob("*.md")):
-        name = md.name
-        if name in ("journal.md", "work-queue.md", "MEMORY.md"):
-            continue
-        keys.append(name)
-        try:
-            with open(md) as f:
-                for line in f:
-                    if line.startswith("## "):
-                        slug = re.sub(r'[^a-z0-9-]', '',
-                                      line[3:].strip().lower().replace(' ', '-'))
-                        if slug:
-                            keys.append(f"{name}#{slug}")
-        except Exception:
-            pass
-    return keys
+    """Get semantic memory keys from the store."""
+    from store_helpers import get_semantic_keys as _get_keys
+    return _get_keys()
 
 
 def build_prompt(target_date: str, conversation: str,
diff --git a/scripts/store_helpers.py b/scripts/store_helpers.py
new file mode 100644
index 0000000..5002667
--- /dev/null
+++ b/scripts/store_helpers.py
@@ -0,0 +1,199 @@
+"""store_helpers.py — shared helpers for scripts using the capnp store.
+
+All memory content lives in the capnp store (poc-memory). These helpers
+replace the old pattern of globbing ~/.claude/memory/*.md and parsing
+section headers directly.
+"""
+
+import re
+import subprocess
+from functools import lru_cache
+
+
+def _run_poc(args: list[str], timeout: int = 30) -> str:
+    """Run a poc-memory command and return stdout."""
+    try:
+        result = subprocess.run(
+            ["poc-memory"] + args,
+            capture_output=True, text=True, timeout=timeout
+        )
+        return result.stdout.strip()
+    except Exception:
+        return ""
+
+
+def list_keys() -> list[str]:
+    """Get all memory node keys from the store."""
+    output = _run_poc(["list-keys"])
+    return [k.strip() for k in output.split('\n') if k.strip()]
+
+
+def get_semantic_keys() -> list[str]:
+    """Get semantic memory keys (excludes journal, system files)."""
+    keys = list_keys()
+    return [k for k in keys
+            if not k.startswith("journal.md#")
+            and k not in ("journal.md", "MEMORY.md", "where-am-i.md",
+                          "work-queue.md", "work-state")]
+
+
+def get_journal_keys(n: int = 0) -> list[str]:
+    """Get journal entry keys, sorted by date (newest first).
+
+    If n > 0, return only the last n entries.
+    """
+    keys = [k for k in list_keys() if k.startswith("journal.md#")]
+    # Sort by date embedded in key (journal.md#j-2026-02-28t23-19-slug)
+    keys.sort(reverse=True)
+    return keys[:n] if n > 0 else keys
+
+
+def render(key: str) -> str:
+    """Render a single node's content."""
+    return _run_poc(["render", key])
+
+
+def get_recent_journal(n: int = 50) -> str:
+    """Get recent journal entries as text (replaces reading journal.md)."""
+    keys = get_journal_keys(n)
+    parts = []
+    for key in reversed(keys):  # oldest first
+        content = render(key)
+        if content:
+            parts.append(content)
+    return "\n\n".join(parts)
+
+
+def get_journal_entries_by_date(target_date: str) -> list[dict]:
+    """Get journal entries for a specific date (YYYY-MM-DD).
+
+    Returns list of dicts with 'key', 'timestamp', 'text', 'source_ref'.
+    """
+    keys = get_journal_keys()
+    entries = []
+    for key in keys:
+        # Extract date from key: journal.md#j-2026-02-28t23-19-slug
+        m = re.search(r'j-(\d{4}-\d{2}-\d{2})t(\d{2})-(\d{2})', key)
+        if not m:
+            # Try extracting from unnamed keys by rendering
+            content = render(key)
+            m2 = re.match(r'^## (\d{4}-\d{2}-\d{2})T(\d{2}):(\d{2})', content)
+            if not m2 or m2.group(1) != target_date:
+                continue
+            entry_date = m2.group(1)
+            entry_time = f"{m2.group(2)}:{m2.group(3)}"
+        else:
+            entry_date = m.group(1)
+            entry_time = f"{m.group(2)}:{m.group(3)}"
+            if entry_date != target_date:
+                continue
+            content = render(key)
+
+        # Parse source ref from content
+        source_ref = None
+        sm = re.search(r'<!-- source: (.+?) -->', content)
+        if sm:
+            source_ref = sm.group(1)
+
+        # Strip the header line
+        text = re.sub(r'^## \d{4}-\d{2}-\d{2}T\d{2}:\d{2}\s*\n?', '', content)
+
+        entries.append({
+            "key": key,
+            "date": entry_date,
+            "time": entry_time,
+            "timestamp": f"{entry_date}T{entry_time}",
+            "text": text.strip(),
+            "source_ref": source_ref,
+        })
+
+    return entries
+
+
+def get_topic_file_index() -> dict[str, list[str]]:
+    """Build index of topic files and their section headers.
+
+    Returns {filename: [section_headers]}.
+    """
+    keys = get_semantic_keys()
+    index: dict[str, list[str]] = {}
+
+    for key in keys:
+        if '#' in key:
+            filename, section = key.split('#', 1)
+            if filename not in index:
+                index[filename] = []
+            index[filename].append(f"## {section}")
+        else:
+            if key not in index:
+                index[key] = []
+
+    return index
+
+
+def get_topic_summaries(max_chars_per_file: int = 500) -> str:
+    """Get summaries of topic file content."""
+    index = get_topic_file_index()
+    parts = []
+
+    for filename in sorted(index.keys()):
+        if filename in ("journal.md", "MEMORY.md", "where-am-i.md",
+                        "work-queue.md"):
+            continue
+
+        # Render file-level node
+        content = render(filename)
+        if not content:
+            continue
+
+        # Truncate
+        if len(content) > max_chars_per_file:
+            content = content[:max_chars_per_file] + "\n[...truncated...]"
+
+        parts.append(f"\n### {filename}\n{content}")
+
+    return '\n'.join(parts)
+
+
+def get_relations() -> str:
+    """Get all relations (replaces mem marker parsing)."""
+    return _run_poc(["list-edges"])
+
+
+def get_graph_stats() -> str:
+    """Get graph statistics."""
+    parts = []
+    status = _run_poc(["status"])
+    if status:
+        parts.append(f"=== poc-memory status ===\n{status}")
+
+    graph = _run_poc(["graph"])
+    if graph:
+        lines = graph.split('\n')[:150]
+        parts.append(f"=== poc-memory graph (first 150 lines) ===\n"
+                     + '\n'.join(lines))
+
+    return '\n'.join(parts)
+
+
+def get_journal_range(start_date: str, end_date: str) -> str:
+    """Get journal entries between two dates."""
+    keys = get_journal_keys()
+    parts = []
+
+    for key in reversed(keys):  # oldest first
+        m = re.search(r'j-(\d{4}-\d{2}-\d{2})', key)
+        if not m:
+            continue
+        entry_date = m.group(1)
+        if start_date <= entry_date <= end_date:
+            content = render(key)
+            if content:
+                parts.append(content)
+
+    text = "\n\n".join(parts)
+    # Cap at ~500 lines
+    lines = text.split('\n')
+    if len(lines) > 500:
+        text = '\n'.join(lines[-500:])
+    return text
diff --git a/scripts/weekly-digest.py b/scripts/weekly-digest.py
index 39a402c..a3404ee 100755
--- a/scripts/weekly-digest.py
+++ b/scripts/weekly-digest.py
@@ -54,24 +54,9 @@ def load_daily_digests(dates: list[date]) -> list[dict]:
 
 
 def get_semantic_keys() -> list[str]:
-    """Get semantic memory file keys."""
-    keys = []
-    for md in sorted(MEMORY_DIR.glob("*.md")):
-        name = md.name
-        if name in ("journal.md", "work-queue.md", "MEMORY.md"):
-            continue
-        keys.append(name)
-        try:
-            with open(md) as f:
-                for line in f:
-                    if line.startswith("## "):
-                        slug = re.sub(r'[^a-z0-9-]', '',
-                                      line[3:].strip().lower().replace(' ', '-'))
-                        if slug:
-                            keys.append(f"{name}#{slug}")
-        except Exception:
-            pass
-    return keys
+    """Get semantic memory keys from the store."""
+    from store_helpers import get_semantic_keys as _get_keys
+    return _get_keys()
 
 
 def build_weekly_prompt(week_label: str, digests: list[dict],