ObsidianTags matches not only tags key in frontmatter

[GordianDziwis]

🐛 Describe the bug

With the following frontmatter:

---
aliases:
  - Index
tags:
  - index
---

:ObsidianTags index returns two results instead one.

Config

local obsidian = require('obsidian')

---@diagnostic disable-next-line: missing-fields
obsidian.setup
{
    workspaces = {
        {
            name = "personal",
            path = "~/cloud/wiki",
        },
    },
    completion = {
        nvim_cmp = true,
        min_chars = 0,
    },
    mappings = {
        ["<tab>"] = {
            action = function()
                return "<cmd>ObsidianSearch<CR>"
            end,
            opts = { buffer = true, expr = true },
        },
        ["<cr>"] = {
            action = function()
                return obsidian.util.smart_action()
            end,
            opts = { buffer = true, expr = true },
        },
    },

    new_notes_location = "notes_subdir",

    ---@param title string|?
    ---@return string
    note_id_func = function(title)
        return os.date("%Y%m%d%H%M%S")
    end,

    ---@param spec { id: string, dir: obsidian.Path, title: string|? }
    ---@return string|obsidian.Path The full path to the new note.
    note_path_func = function(spec)
        -- This is equivalent to the default behavior.
        local path = spec.dir / tostring(spec.id)
        return path:with_suffix(".md")
    end,

    -- Optional, customize how wiki links are formatted. You can set this to one of:
    --  * "use_alias_only", e.g. '[[Foo Bar]]'
    --  * "prepend_note_id", e.g. '[[foo-bar|Foo Bar]]'
    --  * "prepend_note_path", e.g. '[[foo-bar.md|Foo Bar]]'
    --  * "use_path_only", e.g. '[[foo-bar.md]]'
    -- Or you can set it to a function that takes a table of options and returns a string, like this:
    wiki_link_func = function(opts)
        return require("obsidian.util").wiki_link_id_prefix(opts)
    end,

    -- Optional, customize how markdown links are formatted.
    markdown_link_func = function(opts)
        return require("obsidian.util").markdown_link(opts)
    end,

    -- Either 'wiki' or 'markdown'.
    preferred_link_style = "wiki",

    -- Optional, boolean or a function that takes a filename and returns a boolean.
    -- `true` indicates that you don't want obsidian.nvim to manage frontmatter.
    disable_frontmatter = false,

    -- Optional, alternatively you can customize the frontmatter data.
    ---@return table
    note_frontmatter_func = function(note)
        -- Add the title of the note as an alias.
        if note.title then
            note:add_alias(note.title)
        end

        local out = { aliases = note.aliases, tags = note.tags }

        -- `note.metadata` contains any manually added fields in the frontmatter.
        -- So here we just make sure those fields are kept in the frontmatter.
        if note.metadata ~= nil and not vim.tbl_isempty(note.metadata) then
            for k, v in pairs(note.metadata) do
                out[k] = v
            end
        end

        return out
    end,

    -- templates = {
    --     folder = "templates",
    --     date_format = "%Y-%m-%d",
    --     time_format = "%H:%M",
    --     substitutions = {},
    -- },

    -- Optional, by default when you use `:ObsidianFollowLink` on a link to an external
    -- URL it will be ignored but you can customize this behavior here.
    ---@param url string
    follow_url_func = function(url)
        vim.ui.open(url) -- need Neovim 0.10.0+
    end,

    -- Optional, by default when you use `:ObsidianFollowLink` on a link to an image
    -- file it will be ignored but you can customize this behavior here.
    ---@param img string
    follow_img_func = function(img)
        vim.fn.jobstart({ "xdg-open", img }) -- linux
    end,

    -- Optional, set to true if you use the Obsidian Advanced URI plugin.
    -- https://github.com/Vinzent03/obsidian-advanced-uri
    use_advanced_uri = false,

    -- Optional, set to true to force ':ObsidianOpen' to bring the app to the foreground.
    open_app_foreground = false,

    picker = {
        -- Set your preferred picker. Can be one of 'telescope.nvim', 'fzf-lua', or 'mini.pick'.
        name = "telescope.nvim",
        -- Optional, configure key mappings for the picker. These are the defaults.
        -- Not all pickers support all mappings.
        note_mappings = {
            -- Create a new note from your query.
            new = "<C-n>",
            -- Insert a link to the selected note.
            insert_link = "<C-l>",
        },
        tag_mappings = {
            -- Add tag(s) to current note.
            tag_note = "<C-n>",
            -- Insert a tag at the current location.
            insert_tag = "<C-l>",
        },
    },

    -- Optional, sort search results by "path", "modified", "accessed", or "created".
    -- The recommend value is "modified" and `true` for `sort_reversed`, which means, for example,
    -- that `:ObsidianQuickSwitch` will show the notes sorted by latest modified time
    sort_by = "modified",
    sort_reversed = true,

    -- Set the maximum number of lines to read from notes on disk when performing certain searches.
    search_max_lines = 1000,

    -- Optional, determines how certain commands open notes. The valid options are:
    -- 1. "current" (the default) - to always open in the current window
    -- 2. "vsplit" - to open in a vertical split if there's not already a vertical split
    -- 3. "hsplit" - to open in a horizontal split if there's not already a horizontal split
    open_notes_in = "current",

    -- Optional, define your own callbacks to further customize behavior.
    callbacks = {
        -- Runs at the end of `require("obsidian").setup()`.
        ---@param client obsidian.Client
        post_setup = function(client) end,

        -- Runs anytime you enter the buffer for a note.
        ---@param client obsidian.Client
        ---@param note obsidian.Note
        enter_note = function(client, note)

        end,

        -- Runs anytime you leave the buffer for a note.
        ---@param client obsidian.Client
        ---@param note obsidian.Note
        leave_note = function(client, note) end,

        -- Runs right before writing the buffer for a note.
        ---@param client obsidian.Client
        ---@param note obsidian.Note
        pre_write_note = function(client, note) end,

        -- Runs anytime the workspace is set/changed.
        ---@param client obsidian.Client
        ---@param workspace obsidian.Workspace
        post_set_workspace = function(client, workspace) end,
    },

    -- Optional, configure additional syntax highlighting / extmarks.
    -- This requires you have `conceallevel` set to 1 or 2. See `:help conceallevel` for more details.
    ui = {
        enable = true,          -- set to false to disable all additional syntax features
        update_debounce = 50,   -- update delay after a text change (in milliseconds)
        max_file_length = 5000, -- disable UI features for files with more than this many lines
        -- Define how various check-boxes are displayed
        checkboxes = {
            -- NOTE: the 'char' value has to be a single character, and the highlight groups are defined below.
            [" "] = { char = "󰄱", hl_group = "@markup.list.markdown" },
            ["x"] = { char = "", hl_group = "@markup.list.markdown" },
        },
        -- Use bullet marks for non-checkbox lists.
        bullets = { char = "-", hl_group = "@markup.list.markdown" },
        external_link_icon = { char = "", hl_group = "markdownUrlTitle" },
        -- Replace the above with this if you don't have a patched font:
        -- external_link_icon = { char = "", hl_group = "ObsidianExtLinkIcon" },
        reference_text = { hl_group = "@text" },
        highlight_text = { hl_group = "Error" },
        tags = { hl_group = "@tag" },
        block_ids = { hl_group = "Error" },
        hl_groups = {
        },
    },

    -- Specify how to handle attachments.
    attachments = {
        -- The default folder to place images in via `:ObsidianPasteImg`.
        -- If this is a relative path it will be interpreted as relative to the vault root.
        -- You can always override this per image by passing a full path to the command instead of just a filename.
        img_folder = "assets/imgs", -- This is the default

        -- Optional, customize the default name or prefix when pasting images via `:ObsidianPasteImg`.
        ---@return string
        img_name_func = function()
            -- Prefix image names with timestamp.
            return string.format("%s-", os.time())
        end,

        -- A function that determines the text to insert in the note when pasting an image.
        -- It takes two arguments, the `obsidian.Client` and an `obsidian.Path` to the image file.
        -- This is the default implementation.
        ---@param client obsidian.Client
        ---@param path obsidian.Path the absolute path to the image file
        ---@return string
        img_text_func = function(client, path)
            path = client:vault_relative_path(path) or path
            return string.format("![%s](%s)", path.name, path)
        end,
    },
}

Environment

NVIM v0.11.0-dev
Build type: RelWithDebInfo
LuaJIT 2.1.1703358377
Run "nvim -V1 -v" for more info

Obsidian.nvim v3.9.0 (ae1f76a75c7ce36866e1d9342a8f6f5b9c2caf9b)
Status:
  • buffer directory: nil
  • working directory: /home/beavis
Workspaces:
  ✓ active workspace: Workspace(name='personal', path='/home/beavis/cloud/wiki', root='/home/beavis/cloud/wiki')
Dependencies:
  ✓ plenary.nvim: 2d9b06177a975543726ce5c73fca176cedbffe9d
  ✓ nvim-cmp: ae644feb7b67bf1ce4260c231d1d4300b19c6f30
  ✓ telescope.nvim: eae0d8fbde590b0eaa2f9481948cd6fd7dd21656
Integrations:
  ✓ picker: TelescopePicker()
  ✓ completion: enabled (nvim-cmp) ✗ refs, ✗ tags, ✗ new
    all sources:
      • nvim_lsp
      • nvim_lua
      • tags
      • async_path
      • zsh
      • luasnip
      • buffer
Tools:
  ✓ rg: ripgrep 14.1.0
Environment:
  • operating system: Linux
Config:
  • notes_subdir: nil%