Update documentation for FarDriver ESC settings and configurations; add unlock video reference

Author: Ballistyxx

docs/drive/gearshift.md

@@ -76,5 +76,8 @@ for ~80 ms, release for ~80 ms, per pulse) so the control loop never stalls.
 
 Medium speed mode is the ESC's default when neither the high-speed nor low-speed
 line is grounded. The FarDriver-app-side configuration of the speed profiles
-(what each mode actually does) is a physical/app setting — see
+(what each mode actually does — the per-gear current and speed limits) is set in
+the ESC, not this repo. Those values are captured in the
+[FarDriver ESC Settings](../reference/esc-fardriver.md) reference (see *Ratios in
+Gear*); remaining open questions are tracked in
 [Hardware & Open Items](../hardware-open-items.md).

docs/drive/speedometer.md

@@ -27,6 +27,11 @@ Out of the box SPD was silent/erratic. Two **FarDriver app** settings fixed it:
 - **Speed pulses: 2 → 6** (3× resolution);
 - **Speedometer mode: "pulse" → "isolated pulse"** (a clean, isolated output).
 
+These are the `Speed Pulses` and `SpeedoMeter` fields on the ESC's Display page —
+see the [FarDriver ESC Settings](../reference/esc-fardriver.md) reference for the
+full parameter set (including the wheel-dimension fields that scale the ESC's own
+speed/odometer readings).
+
 ## How the firmware reads it
 
 - An interrupt on pin 22 counts each SPD edge into `g_spdCount`, glitch-filtered to

docs/hardware-open-items.md

@@ -60,10 +60,15 @@ See [Steering](steering/overview.md).
   matching part. → *Confirm the resistor, contactor, and any bus-sense line.*
 - **🔧 Hardware e-stop.** Its wiring, what exactly it interrupts, and its placement
   are physical and independent of software. → *Document the e-stop.*
-- **📡 FarDriver ND721000 app configuration.** Motor direction, the Low/Med/High
+- **📡 FarDriver ESC app configuration.** Motor direction, the Low/Med/High
   speed-profile definitions, the regen brake level, and the SPD-pulse settings
-  (2→6 pulses, "isolated pulse") are set in the FarDriver app, not the repo. →
-  *Record the ESC parameter set.*
+  (2→6 pulses, "isolated pulse") are set in the FarDriver app, not the repo. The
+  full parameter snapshot is now recorded in the
+  [FarDriver ESC Settings](reference/esc-fardriver.md) reference (accessed via
+  `Paras → Open Pro` in the app; that page includes a screen recording of the
+  unlock procedure). Its **"Settings needing attention"** section still lists items
+  to resolve on the kart — the current limits vs. BMS burst limit, the wrong wheel
+  dimensions, and whether Park is inert as configured.
 
 See [Arming · Precharge · Contactor](drive/precharge-contactor.md) and
 [Gearshifting](drive/gearshift.md).