Update planner endpoint documentation

lib/www/server/spec/openapi.yaml

@@ -1232,9 +1232,55 @@ paths:
                     content:
                         application/json:
                             schema:
-                                type: array
-                                items:
-                                    $ref: "#/components/schemas/PlannedSequence"
+                                type: object
+                                properties:
+                                    remarks:
+                                        type: string
+                                        description: Planner remarks
+                                    sequences:
+                                        type: array
+                                        items:
+                                            $ref: "#/components/schemas/PlannedSequence"
+                        text/csv:
+                            schema:
+                                type: string
+                                format: csv
+                                description: |
+                                    Returns a CSV response containing one row for each planned sequence, with the following columns:
+
+                                    * `sequence`: Sequence number
+                                    * `line`: Line number
+                                    * `fsp`: First shotpoint
+                                    * `lsp`: Last shotpoint
+                                    * `ts0`: Estimated timestamp of the first shotpoint
+                                    * `ts1`: Estimated timestamp of the last shotpoint
+                                    * `name`: Line name
+                                    * `remarks`: Arbitrary comments
+                                    * `num_points`: Number of shotpoints
+                                    * `duration`: Estimated duration in seconds
+                                    * `length`: Line length in metres
+                                    * `azimuth`: Line azimuth
+                                    * `lon0`: Longitude of the first shotpoint
+                                    * `lat0`: Latitude of the first shotpoint
+                                    * `lon1` Longitude of the last shotpoint
+                                    * `lat1`: Latitude of the last shotpoint
+                            example: |
+                                "sequence","line","fsp","lsp","ts0","ts1","name","remarks","num_points","duration","length","azimuth","lon0","lat0","lon1","lat1"
+                                81,5162,2422,1158,"2023-10-22T11:09:24.912Z","2023-10-22T12:56:03.395Z","2051621081S00000","",633,6398,15799.988472147348,26.4703415983101,2.474872,59.086695,2.596266,59.214146
+                                82,5178,2444,1146,"2023-10-22T12:56:03.000Z","2023-10-22T14:45:33.607Z","2051781082S00000","",650,6570,16225.02094944685,26.470137885560813,2.469632,59.085264,2.594277,59.216147
+                        text/html:
+                            schema:
+                                type: string
+                                format: html
+                                description: |
+                                    An HTML representation of the plan.
+                        application/pdf:
+                            schema:
+                                type: string
+                                contentMediaType: application/pdf
+                                description: |
+                                    A PDF representation of the plan.
+
 
         post:
             description: Add a new sequence to the plan.