remove perf comparison ideal from TODO

TODO.md

@@ -1,35 +1,9 @@
 # Future Work
 
-## Human review of analytics modules
-
-All analytics modules have been human-reviewed:
-- `src/analytics/valuation.zig` — reviewed
-- `src/analytics/risk.zig` — reviewed (rewritten: monthly returns, per-period Sharpe, historical T-bill rates)
-- `src/analytics/performance.zig` — reviewed
-- `src/analytics/analysis.zig` — reviewed
-- `src/analytics/indicators.zig` — AI-reviewed only; human review deferred (lower priority)
-
-## Provider review
-
-- `src/providers/tiingo.zig` — reviewed (new: primary candle provider)
-- `src/providers/yahoo.zig` — needs human review
-- All other providers — reviewed
-
-## CLI/TUI changes
-
-Risk metrics (Sharpe, volatility, max drawdown) now display per trailing period
-(1Y, 3Y, 5Y, 10Y) in both the TUI performance tab and CLI `perf` command.
-CLI `portfolio` command shows 3-year risk metrics per symbol.
-
-Performance comparison feature idea: compare risk/return metrics of two or more
-securities side by side. Scope TBD — could focus on stocks/ETFs only. Open
-question: fixed at 2, or arbitrary N?
-
 ## TUI issues
 
-Starting the TUI with a ticker symbol doesn't uppercase (why can't we just solve
-this once?). Display artifacts that don't go away when switching tabs (need
-specific steps to reproduce).
+Display artifacts that don't go away when switching tabs (need specific steps
+to reproduce). Lower priority now that ^L has been introduced to re-paint
 
 ## Risk-free rate maintenance
 
@@ -76,13 +50,6 @@ Eastern rather than a rolling window. This would avoid unnecessary refetches
 during the trading day and ensure a fetch shortly after close gets fresh data.
 Probably alleviated by the cron job approach.
 
-## Cron timing for mutual fund NAVs
-
-Tiingo publishes mutual fund NAVs after midnight ET. The server cron (currently
-8 PM ET weekdays) gets stock/ETF data same-day but mutual fund NAVs lag by one
-trading day. Consider pushing the cron to midnight ET or adding a second morning
-run for funds.
-
 ## On-demand server-side fetch for new symbols
 
 Currently the server's SRF endpoints (`/candles`, `/dividends`, etc.) are pure
@@ -104,8 +71,3 @@ introduce some opacity to the process as we wait for candles (for example) to
 populate. This could be solved on the server by spawning a thread to fetch the
 data, then returning 202 Accepted, which could then be polled client side. Maybe
 this is a better long term approach?
-
-## Server deployment
-
-After committing and pushing changes, rebuild and deploy zfin-server on nas2.
-The server needs the `TIINGO_API_KEY` added to `/data/zfin/.env` on the host.

src/tui.zig

@@ -3630,6 +3630,7 @@ pub fn run(allocator: std.mem.Allocator, config: zfin.Config, args: []const []co
     var portfolio_path: ?[]const u8 = null;
     var watchlist_path: ?[]const u8 = null;
     var symbol: []const u8 = "";
+    var symbol_upper_buf: [32]u8 = undefined;
     var has_explicit_symbol = false;
     var skip_watchlist = false;
     var chart_config: chart_mod.ChartConfig = .{};
@@ -3656,7 +3657,9 @@ pub fn run(allocator: std.mem.Allocator, config: zfin.Config, args: []const []co
         } else if (std.mem.eql(u8, args[i], "--symbol") or std.mem.eql(u8, args[i], "-s")) {
             if (i + 1 < args.len) {
                 i += 1;
-                symbol = args[i];
+                const len = @min(args[i].len, symbol_upper_buf.len);
+                _ = std.ascii.upperString(symbol_upper_buf[0..len], args[i][0..len]);
+                symbol = symbol_upper_buf[0..len];
                 has_explicit_symbol = true;
                 skip_watchlist = true;
             }
@@ -3668,7 +3671,9 @@ pub fn run(allocator: std.mem.Allocator, config: zfin.Config, args: []const []co
                 }
             }
         } else if (args[i].len > 0 and args[i][0] != '-') {
-            symbol = args[i];
+            const len = @min(args[i].len, symbol_upper_buf.len);
+            _ = std.ascii.upperString(symbol_upper_buf[0..len], args[i][0..len]);
+            symbol = symbol_upper_buf[0..len];
             has_explicit_symbol = true;
         }
     }