diff --git a/diagrams/sdm-process.mmd b/diagrams/sdm-process.mmd
index 81db55f..ff43932 100644
--- a/diagrams/sdm-process.mmd
+++ b/diagrams/sdm-process.mmd
@@ -1,4 +1,4 @@
-flowchart TD
+flowchart LR
 
   %% nodes
   P(presence):::in
@@ -18,6 +18,10 @@ flowchart TD
   N[["new data"]]:::in
   prd(prediction):::out
   prf(performance):::out
+  res[result set]:::out
+  ens[ensemble]:::fxn
+  der[derived]:::out
+  web[web]:::out
 
   %% edges
   P   --> pts
@@ -38,6 +42,44 @@ flowchart TD
   M   --> E
   pr  --> prd
   E   --> prf
+  prd --> res
+  prf --> res
+  res --x ens
+  ens --> der
+  der --> web
+  res --> web
+
+  %% subgraphs
+  subgraph Share
+    direction LR
+    subgraph Combine
+      subgraph Prepare
+        P
+        A
+        pts
+        env
+        X
+        D
+      end
+      subgraph Model
+        S
+        t1
+        t2
+        F
+        M
+        E
+        C
+        pr
+        N
+        prd
+        prf
+        res
+      end
+      ens
+      der
+    end
+    web
+  end
 
   %% Legend
   in(input):::in
diff --git a/lib/styles.css b/lib/styles.css
new file mode 100644
index 0000000..1b3b416
--- /dev/null
+++ b/lib/styles.css
@@ -0,0 +1,4 @@
+:root {
+  /* https://quarto.org/docs/authoring/diagrams.html#customizing-mermaid */
+  --mermaid-fg-color--lightest: #d3d3d3
+}
diff --git a/renv.lock b/renv.lock
index 959f39c..f2902f0 100644
--- a/renv.lock
+++ b/renv.lock
@@ -1,6 +1,6 @@
 {
   "R": {
-    "Version": "4.3.0",
+    "Version": "4.3.2",
     "Repositories": [
       {
         "Name": "BioCsoft",
@@ -138,29 +138,16 @@
       ],
       "Hash": "c35768291560ce302c0a6589f92e837d"
     },
-    "callr": {
-      "Package": "callr",
-      "Version": "3.7.3",
-      "Source": "Repository",
-      "Repository": "RSPM",
-      "Requirements": [
-        "R",
-        "R6",
-        "processx",
-        "utils"
-      ],
-      "Hash": "9b2191ede20fa29828139b9900922e51"
-    },
     "cli": {
       "Package": "cli",
-      "Version": "3.6.1",
+      "Version": "3.6.2",
       "Source": "Repository",
-      "Repository": "CRAN",
+      "Repository": "RSPM",
       "Requirements": [
         "R",
         "utils"
       ],
-      "Hash": "89e6d8219950eac806ae0c489052048a"
+      "Hash": "1216ac65ac55ec0058a6f75d7ca0fd52"
     },
     "clipr": {
       "Package": "clipr",
@@ -188,10 +175,10 @@
     },
     "commonmark": {
       "Package": "commonmark",
-      "Version": "1.9.0",
+      "Version": "1.9.1",
       "Source": "Repository",
       "Repository": "RSPM",
-      "Hash": "d691c61bff84bd63c383874d2d0c3307"
+      "Hash": "5d8225445acb167abf7797de48b2ee3c"
     },
     "cpp11": {
       "Package": "cpp11",
@@ -217,24 +204,24 @@
     },
     "curl": {
       "Package": "curl",
-      "Version": "5.1.0",
+      "Version": "5.2.1",
       "Source": "Repository",
       "Repository": "RSPM",
       "Requirements": [
         "R"
       ],
-      "Hash": "9123f3ef96a2c1a93927d828b2fe7d4c"
+      "Hash": "411ca2c03b1ce5f548345d2fc2685f7a"
     },
     "digest": {
       "Package": "digest",
-      "Version": "0.6.33",
+      "Version": "0.6.35",
       "Source": "Repository",
-      "Repository": "CRAN",
+      "Repository": "RSPM",
       "Requirements": [
         "R",
         "utils"
       ],
-      "Hash": "b18a9cf3c003977b0cc49d5e76ebe48d"
+      "Hash": "698ece7ba5a4fa4559e3d537e7ec3d31"
     },
     "ellipsis": {
       "Package": "ellipsis",
@@ -260,7 +247,7 @@
     },
     "fansi": {
       "Package": "fansi",
-      "Version": "1.0.5",
+      "Version": "1.0.6",
       "Source": "Repository",
       "Repository": "RSPM",
       "Requirements": [
@@ -268,7 +255,7 @@
         "grDevices",
         "utils"
       ],
-      "Hash": "3e8583a60163b4bc1a80016e63b9959e"
+      "Hash": "962174cf2aeb5b9eea581522286a911f"
     },
     "farver": {
       "Package": "farver",
@@ -329,14 +316,14 @@
     },
     "glue": {
       "Package": "glue",
-      "Version": "1.6.2",
+      "Version": "1.7.0",
       "Source": "Repository",
-      "Repository": "CRAN",
+      "Repository": "RSPM",
       "Requirements": [
         "R",
         "methods"
       ],
-      "Hash": "4f2596dfb05dac67b9dc558e5c6fba2e"
+      "Hash": "e0b3a53876554bd45879e596cdb10a52"
     },
     "here": {
       "Package": "here",
@@ -427,13 +414,12 @@
     },
     "kableExtra": {
       "Package": "kableExtra",
-      "Version": "1.3.4",
+      "Version": "1.4.0",
       "Source": "Repository",
       "Repository": "RSPM",
       "Requirements": [
         "R",
         "digest",
-        "glue",
         "grDevices",
         "graphics",
         "htmltools",
@@ -441,17 +427,15 @@
         "magrittr",
         "rmarkdown",
         "rstudioapi",
-        "rvest",
         "scales",
         "stats",
         "stringr",
         "svglite",
         "tools",
         "viridisLite",
-        "webshot",
         "xml2"
       ],
-      "Hash": "49b625e6aabe4c5f091f5850aba8ff78"
+      "Hash": "532d16304274c23c8563f94b79351c86"
     },
     "knitr": {
       "Package": "knitr",
@@ -609,19 +593,6 @@
       ],
       "Hash": "6b01fc98b1e86c4f705ce9dcfd2f57c7"
     },
-    "processx": {
-      "Package": "processx",
-      "Version": "3.8.2",
-      "Source": "Repository",
-      "Repository": "RSPM",
-      "Requirements": [
-        "R",
-        "R6",
-        "ps",
-        "utils"
-      ],
-      "Hash": "3efbd8ac1be0296a46c55387aeace0f3"
-    },
     "progress": {
       "Package": "progress",
       "Version": "1.2.3",
@@ -636,17 +607,6 @@
       ],
       "Hash": "f4625e061cb2865f111b47ff163a5ca6"
     },
-    "ps": {
-      "Package": "ps",
-      "Version": "1.7.5",
-      "Source": "Repository",
-      "Repository": "RSPM",
-      "Requirements": [
-        "R",
-        "utils"
-      ],
-      "Hash": "709d852d33178db54b17c722e5b1e594"
-    },
     "rappdirs": {
       "Package": "rappdirs",
       "Version": "0.3.3",
@@ -659,7 +619,7 @@
     },
     "readr": {
       "Package": "readr",
-      "Version": "2.1.4",
+      "Version": "2.1.5",
       "Source": "Repository",
       "Repository": "RSPM",
       "Requirements": [
@@ -678,7 +638,7 @@
         "utils",
         "vroom"
       ],
-      "Hash": "b5047343b3825f37ad9d3b5d89aa1078"
+      "Hash": "9de96463d2117f6ac49980577939dfb3"
     },
     "remotes": {
       "Package": "remotes",
@@ -696,30 +656,30 @@
     },
     "renv": {
       "Package": "renv",
-      "Version": "1.0.3",
+      "Version": "1.0.5",
       "Source": "Repository",
       "Repository": "RSPM",
       "Requirements": [
         "utils"
       ],
-      "Hash": "41b847654f567341725473431dd0d5ab"
+      "Hash": "32c3f93e8360f667ca5863272ec8ba6a"
     },
     "rlang": {
       "Package": "rlang",
-      "Version": "1.1.2",
+      "Version": "1.1.3",
       "Source": "Repository",
       "Repository": "RSPM",
       "Requirements": [
         "R",
         "utils"
       ],
-      "Hash": "50a6dbdc522936ca35afc5e2082ea91b"
+      "Hash": "42548638fae05fd9a9b5f3f437fbbbe2"
     },
     "rmarkdown": {
       "Package": "rmarkdown",
-      "Version": "2.25",
+      "Version": "2.26",
       "Source": "Repository",
-      "Repository": "CRAN",
+      "Repository": "RSPM",
       "Requirements": [
         "R",
         "bslib",
@@ -730,14 +690,13 @@
         "jsonlite",
         "knitr",
         "methods",
-        "stringr",
         "tinytex",
         "tools",
         "utils",
         "xfun",
         "yaml"
       ],
-      "Hash": "d65e35823c817f09f4de424fcdfa812a"
+      "Hash": "9b148e7f95d33aac01f31282d49e4f44"
     },
     "rprojroot": {
       "Package": "rprojroot",
@@ -758,7 +717,7 @@
     },
     "rvest": {
       "Package": "rvest",
-      "Version": "1.0.3",
+      "Version": "1.0.4",
       "Source": "Repository",
       "Repository": "RSPM",
       "Requirements": [
@@ -771,10 +730,9 @@
         "rlang",
         "selectr",
         "tibble",
-        "withr",
         "xml2"
       ],
-      "Hash": "a4a5ac819a467808c60e36e92ddf195e"
+      "Hash": "0bcf0c6f274e90ea314b812a6d19a519"
     },
     "sass": {
       "Package": "sass",
@@ -825,7 +783,7 @@
     },
     "stringi": {
       "Package": "stringi",
-      "Version": "1.8.2",
+      "Version": "1.8.3",
       "Source": "Repository",
       "Repository": "RSPM",
       "Requirements": [
@@ -834,7 +792,7 @@
         "tools",
         "utils"
       ],
-      "Hash": "e68c45f81639001af5f1b15cd3599bbd"
+      "Hash": "058aebddea264f4c99401515182e656a"
     },
     "stringr": {
       "Package": "stringr",
@@ -855,7 +813,7 @@
     },
     "svglite": {
       "Package": "svglite",
-      "Version": "2.1.2",
+      "Version": "2.1.3",
       "Source": "Repository",
       "Repository": "RSPM",
       "Requirements": [
@@ -863,7 +821,7 @@
         "cpp11",
         "systemfonts"
       ],
-      "Hash": "be5318f6b48c136ecd6b8b5de24cc0ae"
+      "Hash": "124a41fdfa23e8691cb744c762f10516"
     },
     "sys": {
       "Package": "sys",
@@ -874,14 +832,14 @@
     },
     "systemfonts": {
       "Package": "systemfonts",
-      "Version": "1.0.5",
+      "Version": "1.0.6",
       "Source": "Repository",
       "Repository": "RSPM",
       "Requirements": [
         "R",
         "cpp11"
       ],
-      "Hash": "15b594369e70b975ba9f064295983499"
+      "Hash": "6d538cff441f0f1f36db2209ac7495ac"
     },
     "tibble": {
       "Package": "tibble",
@@ -904,7 +862,7 @@
     },
     "tidyselect": {
       "Package": "tidyselect",
-      "Version": "1.2.0",
+      "Version": "1.2.1",
       "Source": "Repository",
       "Repository": "RSPM",
       "Requirements": [
@@ -916,7 +874,7 @@
         "vctrs",
         "withr"
       ],
-      "Hash": "79540e5fcd9e0435af547d885f184fd5"
+      "Hash": "829f27b9c4919c16b593794a6344d6c0"
     },
     "tinytex": {
       "Package": "tinytex",
@@ -999,42 +957,29 @@
       ],
       "Hash": "390f9315bc0025be03012054103d227c"
     },
-    "webshot": {
-      "Package": "webshot",
-      "Version": "0.5.5",
-      "Source": "Repository",
-      "Repository": "RSPM",
-      "Requirements": [
-        "R",
-        "callr",
-        "jsonlite",
-        "magrittr"
-      ],
-      "Hash": "16858ee1aba97f902d24049d4a44ef16"
-    },
     "withr": {
       "Package": "withr",
-      "Version": "2.5.2",
+      "Version": "3.0.0",
       "Source": "Repository",
       "Repository": "RSPM",
       "Requirements": [
         "R",
         "grDevices",
-        "graphics",
-        "stats"
+        "graphics"
       ],
-      "Hash": "4b25e70111b7d644322e9513f403a272"
+      "Hash": "d31b6c62c10dcf11ec530ca6b0dd5d35"
     },
     "xfun": {
       "Package": "xfun",
-      "Version": "0.41",
+      "Version": "0.42",
       "Source": "Repository",
       "Repository": "RSPM",
       "Requirements": [
+        "grDevices",
         "stats",
         "tools"
       ],
-      "Hash": "460a5e0fe46a80ef87424ad216028014"
+      "Hash": "fd1349170df31f7a10bd98b0189e85af"
     },
     "xml2": {
       "Package": "xml2",
@@ -1051,10 +996,10 @@
     },
     "yaml": {
       "Package": "yaml",
-      "Version": "2.3.7",
+      "Version": "2.3.8",
       "Source": "Repository",
-      "Repository": "CRAN",
-      "Hash": "0d0056cc5383fbc240ccd0cb584bf436"
+      "Repository": "RSPM",
+      "Hash": "29240487a071f535f5e5d5a323b7afbd"
     }
   }
 }
diff --git a/renv/activate.R b/renv/activate.R
index cb5401f..9b2e7f1 100644
--- a/renv/activate.R
+++ b/renv/activate.R
@@ -2,7 +2,7 @@
 local({
 
   # the requested version of renv
-  version <- "1.0.3"
+  version <- "1.0.5"
   attr(version, "sha") <- NULL
 
   # the project directory
@@ -31,6 +31,14 @@ local({
     if (!is.null(override))
       return(override)
 
+    # if we're being run in a context where R_LIBS is already set,
+    # don't load -- presumably we're being run as a sub-process and
+    # the parent process has already set up library paths for us
+    rcmd <- Sys.getenv("R_CMD", unset = NA)
+    rlibs <- Sys.getenv("R_LIBS", unset = NA)
+    if (!is.na(rlibs) && !is.na(rcmd))
+      return(FALSE)
+
     # next, check environment variables
     # TODO: prefer using the configuration one in the future
     envvars <- c(
@@ -50,9 +58,22 @@ local({
 
   })
 
-  if (!enabled)
+  # bail if we're not enabled
+  if (!enabled) {
+
+    # if we're not enabled, we might still need to manually load
+    # the user profile here
+    profile <- Sys.getenv("R_PROFILE_USER", unset = "~/.Rprofile")
+    if (file.exists(profile)) {
+      cfg <- Sys.getenv("RENV_CONFIG_USER_PROFILE", unset = "TRUE")
+      if (tolower(cfg) %in% c("true", "t", "1"))
+        sys.source(profile, envir = globalenv())
+    }
+
     return(FALSE)
 
+  }
+
   # avoid recursion
   if (identical(getOption("renv.autoloader.running"), TRUE)) {
     warning("ignoring recursive attempt to run renv autoloader")
@@ -1041,7 +1062,7 @@ local({
     # if jsonlite is loaded, use that instead
     if ("jsonlite" %in% loadedNamespaces()) {
   
-      json <- catch(renv_json_read_jsonlite(file, text))
+      json <- tryCatch(renv_json_read_jsonlite(file, text), error = identity)
       if (!inherits(json, "error"))
         return(json)
   
@@ -1050,7 +1071,7 @@ local({
     }
   
     # otherwise, fall back to the default JSON reader
-    json <- catch(renv_json_read_default(file, text))
+    json <- tryCatch(renv_json_read_default(file, text), error = identity)
     if (!inherits(json, "error"))
       return(json)
   
@@ -1063,14 +1084,14 @@ local({
   }
   
   renv_json_read_jsonlite <- function(file = NULL, text = NULL) {
-    text <- paste(text %||% read(file), collapse = "\n")
+    text <- paste(text %||% readLines(file, warn = FALSE), collapse = "\n")
     jsonlite::fromJSON(txt = text, simplifyVector = FALSE)
   }
   
   renv_json_read_default <- function(file = NULL, text = NULL) {
   
     # find strings in the JSON
-    text <- paste(text %||% read(file), collapse = "\n")
+    text <- paste(text %||% readLines(file, warn = FALSE), collapse = "\n")
     pattern <- '["](?:(?:\\\\.)|(?:[^"\\\\]))*?["]'
     locs <- gregexpr(pattern, text, perl = TRUE)[[1]]
   
@@ -1118,14 +1139,14 @@ local({
     map <- as.list(map)
   
     # remap strings in object
-    remapped <- renv_json_remap(json, map)
+    remapped <- renv_json_read_remap(json, map)
   
     # evaluate
     eval(remapped, envir = baseenv())
   
   }
   
-  renv_json_remap <- function(json, map) {
+  renv_json_read_remap <- function(json, map) {
   
     # fix names
     if (!is.null(names(json))) {
@@ -1152,7 +1173,7 @@ local({
     # recurse
     if (is.recursive(json)) {
       for (i in seq_along(json)) {
-        json[i] <- list(renv_json_remap(json[[i]], map))
+        json[i] <- list(renv_json_read_remap(json[[i]], map))
       }
     }