diff --git a/opencode_session_id b/opencode_session_id
new file mode 100644
index 0000000..75fd64a
--- /dev/null
+++ b/opencode_session_id
@@ -0,0 +1 @@
+ses_2864fa54cffe2jLoh5grt8UixA
diff --git a/plugins/index.ts b/plugins/index.ts
new file mode 100644
index 0000000..0cbf91b
--- /dev/null
+++ b/plugins/index.ts
@@ -0,0 +1,113 @@
+// opencode-plugin/index.ts — Consciousness integration for OpenCode.
+//
+// Bridges OpenCode events to the consciousness system:
+//   - chat.message → forwards to poc-hook-opencode, appends output as text part
+//   - tool.execute.after → signals response activity
+//   - event → tracks session lifecycle (idle, compacted, etc.)
+//   - shell.env → injects POC_SESSION_ID into subprocesses
+//
+// Install: copy this directory to your project's `plugin/` or `plugins/` dir,
+// or add to opencode.json:
+//   "plugin": ["/home/kent/poc/consciousness-claude/opencode-plugin"]
+
+import type { Plugin, Hooks } from "@opencode-ai/plugin"
+import path from "path"
+import { $ } from "bun"
+import { $ } from "bun"
+
+// Find the poc-hook-opencode binary
+function findHookBinary(): string {
+  const candidates = [
+    path.join(process.env.HOME || "", ".cargo/bin/poc-hook-opencode"),
+    path.join(process.env.HOME || "", "poc/consciousness-claude/target/debug/poc-hook-opencode"),
+    path.join(process.env.HOME || "", "poc/consciousness-claude/target/release/poc-hook-opencode"),
+  ]
+  for (const c of candidates) {
+    try {
+      const stat = Bun.file(c).statSync()
+      if (stat?.isFile()) return c
+    } catch {}
+  }
+  return "poc-hook-opencode"
+}
+
+const HOOK_BINARY = findHookBinary()
+
+// Generate a unique part ID (opencode uses ulid-like ascending IDs)
+let partCounter = 0
+function nextPartId(): string {
+  partCounter += 1
+  return `poc_part_${Date.now()}_${partCounter}`
+}
+
+export const ConsciousnessPlugin: Plugin = async (ctx) => {
+  const hooks: Hooks = {}
+
+  // Main hook: forward user messages to consciousness, inject context
+  hooks["chat.message"] = async (input, output) => {
+    const hookInput = JSON.stringify({
+      session_id: input.sessionID,
+      hook_event: "UserPromptSubmit",
+    })
+
+    try {
+      const proc = Bun.spawn([HOOK_BINARY], {
+        stdin: hookInput,
+        stdout: "pipe",
+        stderr: "pipe",
+      })
+      const [stdout, stderr] = await Promise.all([
+        new Response(proc.stdout).text(),
+        new Response(proc.stderr).text(),
+      ])
+      await proc.exited
+
+      if (stdout && stdout.trim()) {
+        // Append as a text part — must match MessageV2.TextPart schema:
+        // { id, sessionID, messageID, type: "text", text, time?, synthetic?, ignored? }
+        output.parts.push({
+          id: nextPartId(),
+          sessionID: input.sessionID,
+          messageID: output.message.id,
+          type: "text",
+          text: stdout,
+          synthetic: true,
+        })
+      }
+
+      if (stderr && stderr.trim()) {
+        console.error("[consciousness] hook stderr:", stderr.slice(0, 500))
+      }
+    } catch (e) {
+      console.error("[consciousness] hook error:", e)
+    }
+  }
+
+  // Signal response after tool use
+  hooks["tool.execute.after"] = async () => {
+    try {
+      await $`poc-daemon response`.quiet()
+    } catch {
+      // Daemon might not be running
+    }
+  }
+
+  // Inject POC_SESSION_ID into all shell commands
+  hooks["shell.env"] = async (input, output) => {
+    if (input.sessionID) {
+      output.env["POC_SESSION_ID"] = input.sessionID
+    }
+  }
+
+  // Track session events
+  hooks["event"] = async ({ event }) => {
+    if (event.type === "session.compacted") {
+      // Compaction detected — next hook invocation will detect via SQLite
+    }
+    if (event.type === "session.idle") {
+      // Session went idle
+    }
+  }
+
+  return hooks
+}
diff --git a/plugins/package.json b/plugins/package.json
new file mode 100644
index 0000000..822ce9d
--- /dev/null
+++ b/plugins/package.json
@@ -0,0 +1,6 @@
+{
+  "name": "@consciousness/opencode-plugin",
+  "version": "0.1.0",
+  "description": "Consciousness integration for OpenCode",
+  "main": "index.ts"
+}
diff --git a/src/agent/tools/memory.rs b/src/agent/tools/memory.rs
index c74481c..739784d 100644
--- a/src/agent/tools/memory.rs
+++ b/src/agent/tools/memory.rs
@@ -116,6 +116,7 @@ async fn dispatch(
         "memory_link_set" => link_set(&args).await,
         "memory_link_add" => link_add(agent, &args).await,
         "memory_delete" => delete(&args).await,
+        "memory_history" => history(&args).await,
         "memory_weight_set" => weight_set(&args).await,
         "memory_rename" => rename(&args).await,
         "memory_supersede" => supersede(agent, &args).await,
@@ -131,7 +132,7 @@ async fn dispatch(
 
 // ── Definitions ────────────────────────────────────────────────
 
-pub fn memory_tools() -> [super::Tool; 13] {
+pub fn memory_tools() -> [super::Tool; 14] {
     use super::Tool;
     [
         Tool { name: "memory_render", description: "Read a memory node's content and links.",
@@ -155,6 +156,9 @@ pub fn memory_tools() -> [super::Tool; 13] {
         Tool { name: "memory_delete", description: "Delete a memory node.",
                parameters_json: r#"{"type":"object","properties":{"key":{"type":"string","description":"Node key"}},"required":["key"]}"#,
                handler: Arc::new(|a, v| Box::pin(async move { dispatch("memory_delete", &a, v).await })) },
+        Tool { name: "memory_history", description: "Show version history for a node.",
+               parameters_json: r#"{"type":"object","properties":{"key":{"type":"string","description":"Node key"},"full":{"type":"boolean","description":"Show full content for each version"}},"required":["key"]}"#,
+               handler: Arc::new(|a, v| Box::pin(async move { dispatch("memory_history", &a, v).await })) },
         Tool { name: "memory_weight_set", description: "Set a node's weight directly (0.01 to 1.0).",
                parameters_json: r#"{"type":"object","properties":{"key":{"type":"string"},"weight":{"type":"number","description":"0.01 to 1.0"}},"required":["key","weight"]}"#,
                handler: Arc::new(|a, v| Box::pin(async move { dispatch("memory_weight_set", &a, v).await })) },
@@ -330,6 +334,61 @@ async fn delete(args: &serde_json::Value) -> Result<String> {
     Ok(format!("deleted {}", resolved))
 }
 
+async fn history(args: &serde_json::Value) -> Result<String> {
+    let key = get_str(args, "key")?;
+    let full = args.get("full").and_then(|v| v.as_bool()).unwrap_or(false);
+
+    let arc = cached_store().await?;
+    let store = arc.lock().await;
+    let key = store.resolve_key(key).unwrap_or_else(|_| key.to_string());
+    drop(store);
+
+    let path = crate::store::nodes_path();
+    if !path.exists() {
+        anyhow::bail!("No node log found");
+    }
+
+    use std::io::BufReader;
+    let file = std::fs::File::open(&path)
+        .map_err(|e| anyhow::anyhow!("open {}: {}", path.display(), e))?;
+    let mut reader = BufReader::new(file);
+
+    let mut versions: Vec<crate::store::Node> = Vec::new();
+    while let Ok(msg) = capnp::serialize::read_message(&mut reader, capnp::message::ReaderOptions::new()) {
+        let log = msg.get_root::<crate::memory_capnp::node_log::Reader>()
+            .map_err(|e| anyhow::anyhow!("read log: {}", e))?;
+        for node_reader in log.get_nodes()
+            .map_err(|e| anyhow::anyhow!("get nodes: {}", e))? {
+            let node = crate::store::Node::from_capnp_migrate(node_reader)
+                .map_err(|e| anyhow::anyhow!("{}", e))?;
+            if node.key == key {
+                versions.push(node);
+            }
+        }
+    }
+
+    if versions.is_empty() {
+        anyhow::bail!("No history found for '{}'", key);
+    }
+
+    let mut out = format!("{} versions of '{}':\n\n", versions.len(), key);
+    for node in &versions {
+        let ts = crate::store::format_datetime(node.timestamp);
+        let deleted = if node.deleted { " DELETED" } else { "" };
+        if full {
+            out.push_str(&format!("=== v{} {} {}{} w={:.3} {}b ===\n",
+                node.version, ts, node.provenance, deleted, node.weight, node.content.len()));
+            out.push_str(&node.content);
+            out.push('\n');
+        } else {
+            let preview = crate::util::first_n_chars(&node.content, 120).replace('\n', "\\n");
+            out.push_str(&format!("v{:<3} {}  {:24} w={:.3}  {}b{}\n     {}\n",
+                node.version, ts, node.provenance, node.weight, node.content.len(), deleted, preview));
+        }
+    }
+    Ok(out)
+}
+
 async fn weight_set(args: &serde_json::Value) -> Result<String> {
     let arc = cached_store().await?;
     let mut store = arc.lock().await;
diff --git a/src/cli/node.rs b/src/cli/node.rs
index 19b44a3..9fdb552 100644
--- a/src/cli/node.rs
+++ b/src/cli/node.rs
@@ -48,23 +48,6 @@ pub fn cmd_list_keys(pattern: Option<&str>) -> Result<(), String> {
     }
 }
 
-pub fn cmd_list_edges() -> Result<(), String> {
-    let store = store::Store::load()?;
-    for rel in &store.relations {
-        println!("{}\t{}\t{:.2}\t{:?}",
-            rel.source_key, rel.target_key, rel.strength, rel.rel_type);
-    }
-    Ok(())
-}
-
-pub fn cmd_dump_json() -> Result<(), String> {
-    let store = store::Store::load()?;
-    let json = serde_json::to_string_pretty(&store)
-        .map_err(|e| format!("serialize: {}", e))?;
-    println!("{}", json);
-    Ok(())
-}
-
 pub fn cmd_node_delete(key: &[String]) -> Result<(), String> {
     if key.is_empty() {
         return Err("node-delete requires a key".into());
@@ -127,68 +110,12 @@ pub fn cmd_history(key: &[String], full: bool) -> Result<(), String> {
     if key.is_empty() {
         return Err("history requires a key".into());
     }
-    let raw_key = key.join(" ");
-
-    let store = store::Store::load()?;
-    let key = store.resolve_key(&raw_key).unwrap_or(raw_key);
-    drop(store);
-
-    let path = store::nodes_path();
-    if !path.exists() {
-        return Err("No node log found".into());
-    }
-
-    use std::io::BufReader;
-    let file = std::fs::File::open(&path)
-        .map_err(|e| format!("open {}: {}", path.display(), e))?;
-    let mut reader = BufReader::new(file);
-
-    let mut versions: Vec<store::Node> = Vec::new();
-    while let Ok(msg) = capnp::serialize::read_message(&mut reader, capnp::message::ReaderOptions::new()) {
-        let log = msg.get_root::<crate::memory_capnp::node_log::Reader>()
-            .map_err(|e| format!("read log: {}", e))?;
-        for node_reader in log.get_nodes()
-            .map_err(|e| format!("get nodes: {}", e))? {
-            let node = store::Node::from_capnp_migrate(node_reader)?;
-            if node.key == key {
-                versions.push(node);
-            }
-        }
-    }
-
-    if versions.is_empty() {
-        return Err(format!("No history found for '{}'", key));
-    }
-
-    eprintln!("{} versions of '{}':\n", versions.len(), key);
-    for node in &versions {
-        let ts = if node.timestamp > 0 && node.timestamp < 4_000_000_000 {
-            store::format_datetime(node.timestamp)
-        } else {
-            format!("(raw:{})", node.timestamp)
-        };
-        let deleted_marker = if node.deleted { " DELETED" } else { "" };
-        let content_len = node.content.len();
-        if full {
-            eprintln!("=== v{} {} {}{} w={:.3} {}b ===",
-                node.version, ts, node.provenance, deleted_marker, node.weight, content_len);
-            eprintln!("{}", node.content);
-        } else {
-            let preview = crate::util::first_n_chars(&node.content, 120);
-            let preview = preview.replace('\n', "\\n");
-            eprintln!("  v{:<3} {}  {:24} w={:.3}  {}b{}",
-                node.version, ts, node.provenance, node.weight, content_len, deleted_marker);
-            eprintln!("       {}", preview);
-        }
-    }
-
-    if !full
-        && let Some(latest) = versions.last() {
-            eprintln!("\n--- Latest content (v{}, {}) ---",
-                latest.version, latest.provenance);
-            print!("{}", latest.content);
-        }
-
+    let key = key.join(" ");
+    let result = crate::mcp_server::memory_rpc(
+        "memory_history",
+        serde_json::json!({"key": key, "full": full}),
+    ).map_err(|e| e.to_string())?;
+    print!("{}", result);
     Ok(())
 }
 
@@ -263,33 +190,3 @@ pub fn cmd_edit(key: &[String]) -> Result<(), String> {
     Ok(())
 }
 
-pub fn cmd_lookup_bump(keys: &[String]) -> Result<(), String> {
-    if keys.is_empty() {
-        return Err("lookup-bump requires at least one key".into());
-    }
-    let keys: Vec<&str> = keys.iter().map(|s| s.as_str()).collect();
-    crate::lookups::bump_many(&keys)
-}
-
-pub fn cmd_lookups(date: Option<&str>) -> Result<(), String> {
-    let date = date.map(|d| d.to_string())
-        .unwrap_or_else(|| chrono::Local::now().format("%Y-%m-%d").to_string());
-
-    let store = store::Store::load()?;
-    let keys: Vec<String> = store.nodes.values().map(|n| n.key.clone()).collect();
-    let resolved = crate::lookups::dump_resolved(&date, &keys)?;
-
-    if resolved.is_empty() {
-        println!("No lookups for {}", date);
-        return Ok(());
-    }
-
-    println!("Lookups for {}:", date);
-    for (key, count) in &resolved {
-        println!("  {:4}  {}", count, key);
-    }
-    println!("\n{} distinct keys, {} total lookups",
-        resolved.len(),
-        resolved.iter().map(|(_, c)| *c as u64).sum::<u64>());
-    Ok(())
-}
diff --git a/src/main.rs b/src/main.rs
index 719e7ff..7ce239d 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -209,11 +209,6 @@ enum NodeCmd {
         /// Glob pattern to filter keys
         pattern: Option<String>,
     },
-    /// List all edges (tsv: source target strength type)
-    Edges,
-    /// Dump entire store as JSON
-    #[command(name = "dump")]
-    Dump,
 }
 
 #[derive(Subcommand)]
@@ -421,17 +416,6 @@ enum AdminCmd {
     Log,
     /// Show current parameters
     Params,
-    /// Bump daily lookup counter for keys
-    #[command(name = "lookup-bump")]
-    LookupBump {
-        /// Node keys
-        keys: Vec<String>,
-    },
-    /// Show daily lookup counts
-    Lookups {
-        /// Date (default: today)
-        date: Option<String>,
-    },
     /// Migrate transcript stub nodes to progress log
     #[command(name = "migrate-transcript-progress")]
     MigrateTranscriptProgress,
@@ -511,8 +495,6 @@ impl Run for NodeCmd {
             Self::Delete { key }            => cli::node::cmd_node_delete(&key),
             Self::Rename { old_key, new_key } => cli::node::cmd_node_rename(&old_key, &new_key),
             Self::List { pattern }          => cli::node::cmd_list_keys(pattern.as_deref()),
-            Self::Edges                     => cli::node::cmd_list_edges(),
-            Self::Dump                      => cli::node::cmd_dump_json(),
         }
     }
 }
@@ -572,8 +554,6 @@ impl Run for AdminCmd {
             Self::LoadContext { stats } => cli::misc::cmd_load_context(stats),
             Self::Log           => cli::misc::cmd_log(),
             Self::Params        => cli::misc::cmd_params(),
-            Self::LookupBump { keys } => cli::node::cmd_lookup_bump(&keys),
-            Self::Lookups { date } => cli::node::cmd_lookups(date.as_deref()),
             Self::MigrateTranscriptProgress => {
                 let mut store = store::Store::load()?;
                 let count = store.migrate_transcript_progress()?;
diff --git a/src/mind/subconscious.rs b/src/mind/subconscious.rs
index 7266e1a..7ec315b 100644
--- a/src/mind/subconscious.rs
+++ b/src/mind/subconscious.rs
@@ -534,7 +534,7 @@ impl Subconscious {
             for key in surface_str.lines().map(|l| l.trim()).filter(|l| !l.is_empty()) {
                 if existing.contains(key) { continue; }
                 if let Some(rendered) = store_guard.as_ref()
-                    .and_then(|s| crate::cli::node::render_node(s, key))
+                    .and_then(|s| crate::hippocampus::memory::render_node(s, key))
                 {
                     nodes.push(AstNode::memory(
                         key,
diff --git a/src/subconscious/defs.rs b/src/subconscious/defs.rs
index 682b4fa..6e344b0 100644
--- a/src/subconscious/defs.rs
+++ b/src/subconscious/defs.rs
@@ -250,7 +250,7 @@ fn resolve(
             let mut text = String::new();
             let mut result_keys = Vec::new();
             for key in keys {
-                if let Some(rendered) = crate::cli::node::render_node(store, key) {
+                if let Some(rendered) = crate::hippocampus::memory::render_node(store, key) {
                     if !text.is_empty() { text.push_str("\n\n---\n\n"); }
                     text.push_str(&format!("## {}\n\n{}", key, rendered));
                     result_keys.push(key.clone());