chore: keep real names out of code and tests

The daily-summary cleaner hard-coded two contacts' names in its opening
phrases; a pattern now strips "Today, <Name> and I discussed" for any
contact (with a test). Video path tests use a neutral folder name.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

src/ai/daily_summary_job.rs

@@ -1,8 +1,9 @@
 use anyhow::Result;
 use chrono::{NaiveDate, Utc};
 use opentelemetry::trace::Status;
+use regex::Regex;
 use std::collections::HashMap;
-use std::sync::{Arc, Mutex};
+use std::sync::{Arc, LazyLock, Mutex};
 use tokio::time::sleep;
 use tracing_opentelemetry::OpenTelemetrySpanExt;
 
@@ -112,14 +113,20 @@ pub fn strip_summary_boilerplate(summary: &str) -> String {
         }
     }
 
+    // "Today, <contact> and I discussed …" for any contact name (one or two
+    // capitalised words), so no names are baked into the code.
+    static NAMED_OPENING: LazyLock<Regex> = LazyLock::new(|| {
+        Regex::new(
+            r"^(?:[Tt]oday,?\s+)?\p{Lu}[\p{L}'’-]*(?:\s+\p{Lu}[\p{L}'’-]*)?\s+and\s+I\s+discussed",
+        )
+        .expect("valid regex")
+    });
+    if let Some(m) = NAMED_OPENING.find(&text) {
+        text = text[m.end()..].trim_start().to_string();
+    }
+
     // Remove common opening phrases that add no semantic value
     let opening_phrases = [
-        "Today, Melissa and I discussed",
-        "Today, Amanda and I discussed",
-        "Today Melissa and I discussed",
-        "Today Amanda and I discussed",
-        "Melissa and I discussed",
-        "Amanda and I discussed",
         "Today, I discussed",
         "Today I discussed",
         "The conversation covered",
@@ -376,3 +383,24 @@ async fn generate_and_store_daily_summary(
     result?;
     Ok(())
 }
+
+#[cfg(test)]
+mod tests {
+    use super::strip_summary_boilerplate;
+
+    #[test]
+    fn strips_a_named_opening_for_any_contact() {
+        for raw in [
+            "Today, Sam and I discussed the trip.",
+            "Today Sam Lee and I discussed the trip.",
+            "Jordan and I discussed the trip.",
+        ] {
+            assert_eq!(strip_summary_boilerplate(raw), "the trip.", "{raw}");
+        }
+        assert_eq!(
+            strip_summary_boilerplate("The weather and I discussed nothing"),
+            "The weather and I discussed nothing",
+            "a lowercase second word isn't a name"
+        );
+    }
+}