cmd_search: thin wrapper around memory_search RPC

Remove term matching, pipeline stages, mmap/store paths. Just
pass keys to memory_search and print result. For anything fancy,
use memory_query.

-165 lines.

Co-Authored-By: Proof of Concept <poc@bcachefs.org>

src/main.rs

@@ -35,31 +35,10 @@ struct Cli {
 enum Command {
     // ── Core (daily use) ──────────────────────────────────────────────
 
-    /// Search memory (AND logic across terms)
-    ///
-    /// Pipeline: -p spread -p spectral,k=20
-    /// Default pipeline: spread
+    /// Search memory via spreading activation from seed keys
     Search {
-        /// Search terms
-        query: Vec<String>,
-        /// Algorithm pipeline stages (repeatable)
-        #[arg(short, long = "pipeline")]
-        pipeline: Vec<String>,
-        /// Show more results
-        #[arg(long)]
-        expand: bool,
-        /// Show node content, not just keys
-        #[arg(long)]
-        full: bool,
-        /// Show debug output for each pipeline stage
-        #[arg(long)]
-        debug: bool,
-        /// Also match key components (e.g. "irc" matches "irc-access")
-        #[arg(long)]
-        fuzzy: bool,
-        /// Also search node content (slow, use when graph search misses)
-        #[arg(long)]
-        content: bool,
+        /// Seed node keys
+        keys: Vec<String>,
     },
     /// Output a node's content to stdout
     Render {
@@ -462,8 +441,7 @@ trait Run {
 impl Run for Command {
     fn run(self) -> Result<(), String> {
         match self {
-            Self::Search { query, pipeline, expand, full, debug, fuzzy, content }
-                => cli::misc::cmd_search(&query, &pipeline, expand, full, debug, fuzzy, content),
+            Self::Search { keys }        => cli::misc::cmd_search(&keys),
             Self::Render { key }        => cli::node::cmd_render(&key),
             Self::Write { key }         => cli::node::cmd_write(&key),
             Self::Edit { key }          => cli::node::cmd_edit(&key),