From 000b48925dbe5c1f4a1fbb1f357b24abf7e1d6aa Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Thu, 16 Apr 2026 22:49:17 +0000
Subject: [PATCH 1/3] Initial plan


From cdea32bad878121ab9ea3e1215eb45b6b69941ba Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Thu, 16 Apr 2026 22:57:15 +0000
Subject: [PATCH 2/3] Improve error messages when flag values are mistaken for
 mission names

When an unknown mission name looks like a common flag value (e.g.,
'true', 'false', a number), or a command-line option (starts with '-'),
provide a more helpful error message suggesting the user may have passed
an argument to a flag that doesn't accept one.

Agent-Logs-Url: https://github.com/stellar/supercluster/sessions/599c78dd-f2a6-4294-bdb3-3c150c3c027a

Co-authored-by: marta-lokhova <9428003+marta-lokhova@users.noreply.github.com>
---
 src/App/Program.fs | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/src/App/Program.fs b/src/App/Program.fs
index e8fb0560..c55720a4 100644
--- a/src/App/Program.fs
+++ b/src/App/Program.fs
@@ -754,9 +754,26 @@ let main argv =
                 { LogDebugPartitions = List.ofSeq mission.LogDebugPartitions
                   LogTracePartitions = List.ofSeq mission.LogTracePartitions }
 
+            let looksLikeFlagValue (s: string) =
+                match s.ToLowerInvariant() with
+                | "true" | "false" -> true
+                | _ ->
+                    let (isNum, _) = System.Double.TryParse(s)
+                    isNum
+
             match Seq.tryFind (allMissions.ContainsKey >> not) mission.Missions with
             | Some e ->
                 (LogError "Unknown mission: %s" e
+
+                 if looksLikeFlagValue e then
+                     LogError
+                         "Note: '%s' looks like a value for a command-line flag rather than a mission name. You may have passed an argument to a flag that doesn't accept one (e.g. --flag=false instead of --flag)."
+                         e
+                 elif e.StartsWith("-") then
+                     LogError
+                         "Note: '%s' looks like a command-line option rather than a mission name. You may have a typo in the option name, or used an option not supported by the 'mission' verb."
+                         e
+
                  LogError "Available missions:"
                  Map.iter (fun k _ -> LogError "        %s" k) allMissions
                  1)

From 2a1cb7d5fed30b0c8135b1a7627def0e43bf09c9 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Thu, 16 Apr 2026 22:58:08 +0000
Subject: [PATCH 3/3] Address code review feedback: rename variable and use
 specific example in error message

Agent-Logs-Url: https://github.com/stellar/supercluster/sessions/599c78dd-f2a6-4294-bdb3-3c150c3c027a

Co-authored-by: marta-lokhova <9428003+marta-lokhova@users.noreply.github.com>
---
 src/App/Program.fs | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/App/Program.fs b/src/App/Program.fs
index c55720a4..3ffad782 100644
--- a/src/App/Program.fs
+++ b/src/App/Program.fs
@@ -758,8 +758,8 @@ let main argv =
                 match s.ToLowerInvariant() with
                 | "true" | "false" -> true
                 | _ ->
-                    let (isNum, _) = System.Double.TryParse(s)
-                    isNum
+                    let (isNumeric, _) = System.Double.TryParse(s)
+                    isNumeric
 
             match Seq.tryFind (allMissions.ContainsKey >> not) mission.Missions with
             | Some e ->
@@ -767,7 +767,7 @@ let main argv =
 
                  if looksLikeFlagValue e then
                      LogError
-                         "Note: '%s' looks like a value for a command-line flag rather than a mission name. You may have passed an argument to a flag that doesn't accept one (e.g. --flag=false instead of --flag)."
+                         "Note: '%s' looks like a value for a command-line flag rather than a mission name. You may have passed an argument to a flag that doesn't accept one (e.g. --catchup-skip-known-results-for-testing=false instead of --catchup-skip-known-results-for-testing)."
                          e
                  elif e.StartsWith("-") then
                      LogError